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Home My WebLink AboutAll CorrespondenceCity of Little Rock Department of Planning and Development Planning 723 West Markham Street Zoning and Little Rock, Arkansas 72201-1334 Phone: (501) 371-4790 Fax:(501)399-3435or371-6863 Subdivision April 7,2006 Pat McGetrick McGetrick & McGetrick 10 Otter Creek Court, Suite A Little Rock, Arkansas 72210 Dear Pat McGetrick, Your application for a Land Use Plan Amendment, LU06-01-02, at North of the Cantrell/Taylor Loop intersection, south of Ison Creek will be heard before the Planning Commission on May 11, 2006. The hearing will be held in the Board Room on the second floor of City Hall at 500 West Markham. The meeting will begin at 4:00 p.m. Below are neighborhood associations that we encourage you to contact concerning your application: iecluded Hills Property Owners Association Betty Creston 14523 Shepherd Drive LR, AR 72223 Westchester/Heatherbrac Property Owners Association Rose Mary Robinson #6 Westchester Cove LR, AR 72223 Westbury Neighborhood Association Mark Littrell 14315 Westbury Drive LR, AR 72223 Your amendment will be item 15 on the agenda. The Planning Commission does request that you or your agent be present. Sincerely, /1" Aem—� Walter Malone, AICP Planning Manager MCCE7"KICK -Mc0E7-KICK ENGINEERS - PLANNERS - SURVEYORS RE: Rees PCD Pinnacle Village Dear Ms. James: We are herewith requesting a six week deferral on the above captioned project. The reasons for this deferral is that we're are in the process of gathering all the information to answer all the questions that the city presented. If you have any questions or comments regarding this submittal, please advise. Sincerely, McGetrick & McGetrick, Inc. Patrick M. McGetrick, P.E. President PM:rm 10 Otter Creek Court, Suite A Little Pock, Arkaneae 72210 501-455-8899 fax 501-455-8896 April 26, 2006 Donna James.s5 Subdivision Administrator Department of Planning and Development 723 West Markham Street Little Rock, AR 72201 RE: Rees PCD Pinnacle Village Dear Ms. James: We are herewith requesting a six week deferral on the above captioned project. The reasons for this deferral is that we're are in the process of gathering all the information to answer all the questions that the city presented. If you have any questions or comments regarding this submittal, please advise. Sincerely, McGetrick & McGetrick, Inc. Patrick M. McGetrick, P.E. President PM:rm 10 Otter Creek Court, Suite A Little Pock, Arkaneae 72210 501-455-8899 fax 501-455-8896 City of Little Rock tvoe-ol oz Department of Planning and Development Planning 723 West Markham Street Zoning and Little Rock, Arkansas 72201-1334Et Subdivision Phone: (501) 371-4790 Fax: (501) 399-3435 or371-6863 May 3, 2006 Pat McGetrick McGetrick & McGetrick 10 Otter Creek Court, Suite A Little Rock, Arkansas 72210 Dear Pat McGetrick, Enclosed is a copy of your item that is a part of the agenda for the May 11, 2006 Planning commission meeting. If there are any questions, please call me Sincerely, 444'4-- Walter Malone, AICP Planning Manager encl. City of Little Rock Department of Planning and Development Planning 723 West Markham Street Zoning and Little Rock, Arkansas 72201-1334 Phone: (501) 371-4790 Fax: (501) 399-3435 or 371-6863 Subdivision July 27, 2006 Pat McGetrick McGetrick & McGetrick 10 Otter Creek Court, Suite A Little Rock, Arkansas 72210 Dear Mr. McGetrick, Enclosed is a copy of your item that is a part of the agenda for the August 3, 2006 Planning commission meeting. If there are any questions, please call me Sincerely, /64 - Walter Malone, AICP Planning Manager encl. City of Little Rock Department of Et Planning 723 West Markham Street Little Rock, Arkansas 72201-1334 Phone: (501) 371-4790 Fax: (501 September 18, 2006 Pat McGetrick McGetrick & McGetrick 10 Otter Creek Court, Suite A Little Rock, Arkansas 72210 and Development Planning Zoning and Subdivision 399-3435 or 371-6863 Dear Mr. McGetrick, On September 14, 2006, the Planning Commission heard your request for a Land Use Plan Amendment, LU06-01-02, north of Cantrell and Taylor Loop. Since there was no contact from the applicant and had been deferred previously, the item was withdrawn from the agenda. Please remove the Land Use Plan Amendment notice sign from your property within 10 days after the Board of Directors hears your item. We may remove the sign if you do not. If there are any questions, please feel free to call. Sincerely, � Eve Gierin r g Planner I City of Little Rock Traffic Engineering Department of 621 S. Broadway Public Works Little Rock, Arkansas 72201 379-1800 OfFce 379-1850 Fax MEMORANDUM TO: VINCE FLORIANI FROM: WILLIAM HENRY, TRAFFIC ENGINEERING MANAGER SUBJECT: PINNACLE VILLAGE RETAIL DEVELOPMENT DATE: JULY 17, 2006 (REV.) Current Traffic Conditions The current traffic at Taylor Loop and Cantrell Road operates well with little or no delay in the traffic system which includes Pinnacle Valley Road and Taylor Loop Road on Cantrell Road. The figure below depicts the current traffic volumes and levels of service in each intersection on this route in close proximity to the Reese Development. } (D a tCt C 8 Cantrell A� �00 co M a36 �J i2s5Cantrell s-1 'Y m 62 132 y m 1325- i O (LT F— n Figure 1 —Existing Traffic and Levels of Service "We're Proud of Our Works!" 2006-07.13 Pinnacle Village Development July 17, 2006 The route was modeled utilizing SimTraffic to ascertain whether any backups occurred during the PM peak hour period. The figure below shows a snapshot of the model during the peak hour period with relatively no backups occurring in the intersections. Figure 2 — Modeling Existing PM Peak Hour Traffic The existing operation of the traffic signal at Taylor Loop and Cantrell clears all movements every cycle. The signal timings are based on a 70 second cycle length, which significantly reduces delays along Cantrell as well as the side streets. The volume to capacity ratios are significantly lower than one, which indicates that there is plenty of reserve capacity in the intersection. In order to compare volume to capacity ratios of the development traffic to existing traffic, existing traffic was modeled with a 90 second cycle length. The levels of service and volume to capacity ratios(v/c) can be seen in the adjacent figure. July 17, 2006 Proiected Traffic Conditions with Pinnacle Village Development Traffic Engineering staff reviewed the traffic impact report provided by Peters and Associates Engineers. Problems with the model were corrected based on current aerial photography of the Cantrell and Taylor Loop intersection. Turn bay locations and lengths were corrected to match field conditions to insure model results were consistent with field conditions. The traffic impact study shows traffic on the = �w- north leg of Taylor Loop increasing by 10,156 vehicles per day. The existing Wal - Greens and Catfish City Restaurant will generate approximately 5,043 trips a day for a total of 15,200 trips per day accessing Cantrell Road via the existing access, which was constructed by Wal -Greens. The proposed traffic configuration showing intersection levels of service is shown on the following figure. N N 0 M N M X150 Cantrell l X45 j , 1582Cantrell 70-1 1506 Figure 3 — Proposed Operation with Site Traffic With the addition of site traffic additional phases are required for safe operation of the traffic signal at Cantrell and Taylor Loop Road. The phasing must be modified from a 6 - phase operation to an 8 -phase operation and the cycle length must be increased from 70 July 17, 2006 seconds to 90 seconds to move traffic through the system. The level of service in the Taylor Loop intersection is degraded by one letter, from a B to a C level of service. Although this level of service is acceptable, the modeling shows that the results of running the two signals as a system results in additional congestion and delays in both the Taylor Loop intersection and the Pinnacle Valley intersection. The following figure depicts the amount of congestion that will occur as a result of the added traffic in the intersection of Taylor Loop and Cantrell Road. Figure 4 — Existing Roadway with added Site Traffic The added traffic proposed by the Reese Development will pose significant impacts on Cantrell Road as well as Taylor Loop Road. The lack of sufficient number of lanes on Taylor Loop and Cantrell causes a reduction in the through and left turn capacity on Cantrell Road. Without additional traffic added to the system by the Reese development, excess capacity is available for future growth on Cantrell. The study by Peters and Associates does not take future growth into account. The following figure shows the levels of service for each directional movement with the corresponding volume to capacity ratios for the different approaches. Any value greater than 1.0 for volume to capacity ration indicates that there are more vehicles on the approach than can be served, thus congestion builds as V/C ratios increase. As shown in the following figure the westbound left turn and the southbound left turns approach capacity of the intersection. Significant intersection improvements as well as widening Taylor Loop to the north to minor arterial standards to address traffic volumes in excess of 13,000 vehicles per day is a must in order to preserve existing excess capacity on Cantrell Road to accommodate future growth in this area and to provide required capacity to serve the proposed July 17, 2006 developments. Little Rock's Master Street Plan designates collector street service volumes as 5,000 vehicles per day and less. Minor Arterial street standards are required for service volumes in the 11,000 vehicles per day, which the Reese access will exceed. Figure 5 — Signal Timings and Capacity with Development Required Improvements per Master Street Plan The master street plan requires that arterial -arterial intersections include dual -left turn lanes on all approaches with 250' of stacking distance. Right turn lanes are also required with 250' of storage and taper lengths designed based on approach speeds per AASHTO standards. Taylor Loop North should be improved to minor arterial standards due to the 13,200 vehicles a day, which is being proposed in the section accessing the proposed retail developments. The minor arterial section should be constructed into the development with access to the parking lot being taken off of this main entrance. The project was modeled with improvements in place necessary to handle the projected traffic and the intersection and traffic system operates within current operating standards. Improvements necessary as a part of this development to maintain current capacity levels are as follows: 1. Construct North Taylor Loop Road to Minor Arterial Standards with a 7 -lane cross-section at Cantrell Road to provide Dual -Left Tum Lanes, 2 -through lanes in each direction and a right turn lane. July 17, 2006 2. Construct dual westbound left turn lanes and a westbound right turn lane. The proposed improvements were modeled and are depicted of the following figure: Figure 5 — Proposed Geometrics during PM Traffic The next figure depicts the turn movements and levels of service for the two intersections studied as a part of this analysis. The results of the analysis indicate an acceptable level of service at both intersections with little or no congestion as a result of the development when the improvements in the intersection have been completed. Figure 6 — Traffic with Development — Levels of Service v TI o� Cantrell 1 tt� aT j X15& �1582Cantrell ester _A$ 70�' J O T ti F Figure 6 — Traffic with Development — Levels of Service July 17, 2006 The volumes to capacity ratios are acceptable with these proposed improvements and additional capacity is still available in the intersection for future growth. The following table shows the required signal phases and times required to move the propose traffic through the intersections. 290 ® A[ -'ice _ g E[fft� Ji' CwdrvBar Type: EDL EBi £Bfl W0.1 W@T WBR NBNBT MBR 9BL PED 6Bi SBP NOLD L Lffire. am snapPg [any i � Ri - f ?} fi TrMiicVahuw (rph7 t52 981 t3� us ti66 isu tat 05 38t Zia � Lmglh: 900 Twe Type __120 pm.q Pert' PIX pt Pers Pmt Pa - Ad ed GL.: 900 P acted Phase _Pwn :.. 3 8 ] { �� t 6 �-5 2 miNedPiwx .__...v- M ]c Patiw Det tw Pbas 3 8 $ ] 4 4; 1 6 6 5 2 2 n o i 1. LMs �C Na1e011'alrriliai(j _ t0 AO 4N 1A 10 4. 40 40 A,D 40 0 40.' _ ...._ i ICU6I Ok Nraxa SW (a] &D 20.D 20:P 20.D 20.0 2n iDO. t0.0 V. I.. I- 16 ICI LOS: 6 '.N SPM (al 1G0 350 35. 31 0 50.0 50. tO.D li0 i11F 11.0 14.0 14 C L-T'm- Ydb Ti j.j 15 is 15'_3.5 AS 3. 35 is i5 35 i5 1 8xai 6ettups A Red Taw _ Ditad 20� Leadhag tag Laq Lap lead L d lead Lead Lag Lag Lead L Been of 6eean �e AMw LeadR Op{maet fleed Nde Y - - Y Y Y Y Ye 4 Y Y Yez Y Y Y XC -M C - C34 C - Mm Mm M N M {+8 WBT EBi �E Aetuaird Elict 6rem (aj 4D5 405 405 1]5 dfi.0 46.. 15D 9.0 9.0 ]D 100 10. (` Manx A- gaLR -5 045 0.45 .19 Vol 0.511 O17 O10 MIV 0.8 411 "I r" -,. VoDwreh Capamyfldw 0.45 0.6] 010.0.8HS 0]tl O,YB'r ] B] 019 0.]H 0. 0.25 04 �. ISS �l C.axM.elaq (s) Ovaw Ddm 1a7 291 230 34, 457 243 ].9 409 4VI M., Rf 384 lit 00 0.0 OD 0.0 0. .0' 00 00 Q8 M. -, TPW Delay lal LerN of Sxrxe 29t ZLD 38 45.J 213 ] lQ9 AOI 't.- R3 3Ht ti C 6 Ab D G D 0 8: Apwoach Delayf7 APgoach LOSC _ __ 21] -_ 482 C__, C - D Dueue Leaglh 50M O) 0- Lxglh 95th (NI __ 56 241 a 153 2]5 69 50 0 bg 2] 10] 350 35 188 356 123 99 812f Yt34 51 5t-f'yNl 51 : 93 ]56 i0 ui T56 125 ]9 W t8B n dU d (gha7 3 Zi 1. 14 .m- 3 2 A 5 2 Y el � a2 N a3 Nrmber of lame and shazna ID m D. L, DI :, W. ea. . Nl�a W City of Little Rock Traffic Engineering Department of 621 S. Broadway Public Works Little Rock, Arkansas 72201 379-1800 Office 379-1850 Fax MEMORANDUM 19 TO: VINCE FLORIANI Bj 1006 FROM: WILLIAM HENRY, TRAFFIC ENGINEERING MANAGER -- SUBJECT: PINNACLE VILLAGE RETAIL DEVELOPMENT DATE: JULY 19, 2006 (REV. 2) Current Traffic Conditions The current traffic at Taylor Loop and Cantrell Road operates well with little or no delay in the traffic system which includes Pinnacle Valley Road and Taylor Loop Road on Cantrell Road. The figure below depicts the current traffic volumes and levels of service in each intersection on this route in close proximity to the Reese Development. tti } (D U cg _M6 x 12Cantrell ass 65Cantrell 62—i' 1325' 0 a Figure 1 — Existing Traffic and Levels of Service "We're Proud of Our Works!" 2006-07-13 Pinnacle Village Development July 19, 2006 The route was modeled utilizing SimTraffic to ascertain whether any backups occurred during the PM peak hour period. The figure below shows a snapshot of the model during the peak hour period with relatively no backups occurring in the intersections. Figure 2 — Modeling Existing PM Peak Hour Traffic The existing operation of the traffic signal at Taylor Loop and Cantrell clears all movements every cycle. The signal timings are based on a 70 second cycle length, which significantly reduces delays along Cantrell as well as the side streets. The volume to capacity ratios are significantly lower than one, which indicates that there is plenty of reserve capacity in the intersection. In order to compare volume to capacity ratios of the development traffic to existing traffic, existing traffic was modeled with a 90 second cycle length. The levels of service and volume to capacity ratios(v/c) can be seen in the adjacent figure. July 19, 2006 Proiected Traffic Conditions with Pinnacle Village Development Traffic Engineering staff reviewed the traffic impact report provided by Peters and Associates Engineers. Problems with the model were corrected based on current aerial photography of the Cantrell and Taylor Loop intersection. Turn bay locations and lengths were corrected to match field conditions to insure model results were consistent with field conditions. The traffic impact study shows traffic on the " AMMON MM north leg of Taylor Loop increasing by 7,820 vehicles per day. The existing Wal - Greens and Catfish City Restaurant will generate approximately 5,043 trips a day for a total of 12,900 trips per day accessing Cantrell Road via the existing access, which was constructed by Wal -Greens. The proposed traffic configuration showing intersection levels of service is shown on the following figure. tl) 5— tll t3 M C" X150 � � V7 156 Cantrell ,� � 4.5 1582Cantrell Figure 3 — Proposed Operation with Site Traffic With the addition of site traffic additional phases are required for safe operation of the traffic signal at Cantrell and Taylor Loop Road. The phasing must be modified from a 6 - phase operation to an 8 -phase operation and the cycle length must be increased from 70 July 19, 2006 seconds to 90 seconds to move traffic through the system. The level of service in the Taylor Loop intersection is degraded by one letter, from a B to a C level of service. Although this level of service is acceptable, the modeling shows that the results of running the two signals as a system results in additional congestion and delays in both the Taylor Loop intersection and the Pinnacle Valley intersection. The following figure depicts the amount of congestion that will occur as a result of the added traffic in the intersection of Taylor Loop and Cantrell Road. Figure 4 — Existing Roadway with added Site Traffic The added traffic proposed by the Reese Development will pose significant impacts on Cantrell Road as well as Taylor Loop Road. The lack of sufficient number of lanes on Taylor Loop and Cantrell causes a reduction in the through and left turn capacity on Cantrell Road. Without additional traffic added to the system by the Reese development, excess capacity is available for future growth on Cantrell. The study by Peters and Associates does not take future growth into account. The following figure shows the levels of service for each directional movement with the corresponding volume to capacity ratios for the different approaches. Any value greater than 1.0 for volume to capacity ration indicates that there are more vehicles on the approach than can be served, thus congestion builds as V(C ratios increase. As shown in the following figure the westbound left turn and the southbound left turns approach capacity of the intersection. Significant intersection improvements as well as widening Taylor Loop to the north to minor arterial standards to address traffic volumes in excess of 12,900 vehicles per day is a must in order to preserve existing excess capacity on Cantrell Road to accommodate future growth in this area and to provide required capacity to serve the proposed July 19, 2006 developments. Little Rock's Master Street Plan designates collector street service volumes as 5,000 vehicles per day and less. Minor Arterial street standards are required for service volumes in the 11,000 vehicles per day, which the Reese access will exceed. Figure 5 — Signal Timings and Capacity with Development Required Improvements per Master Street Plan The master street plan requires that arterial -arterial intersections include dual -left turn lanes on all approaches with 250' of stacking distance. Right turn lanes are also required with 250' of storage and taper lengths designed based on approach speeds per AASHTO standards. Taylor Loop North should be improved to minor arterial standards due to the 13,200 vehicles a day, which is being proposed in the section accessing the proposed retail developments. The minor arterial section should be constructed into the development with access to the parking lot being taken off of this main entrance. The project was modeled with improvements in place necessary to handle the projected traffic and the intersection and traffic system operates within current operating standards. Improvements necessary as a part of this development to maintain current capacity levels are as follows: July 19, 2006 1. Construct North Taylor Loop Road to Minor Arterial Standards with a 7 -lane cross-section at Cantrell Road to provide Dual -Left Turn Lanes, 2 -through lanes in each direction and a right turn lane. The westbound left turns will be problematic until an intersection improvements project can be implemented to address the additional capacity needs in this intersection. Traffic is growing at a rate of approximately 5% per year based on AHTD traffic history in this area. The chart below is a graphical representation of that growth: The existing 445 vehicles per hour making the westbound left turn are approaching its lane's capacity. This amount of traffic dictates the need for dual left turns to keep this intersection operating at an acceptable level of service without stacking left turning vehicles out into the main westbound lanes. The proposed improvements including improvements recommended on Cantrell for future implementation were modeled and are depicted of the following figure. The public project improvement necessary to address traffic growth concerns require the construction of dual westbound left turn lanes and a right turn lane for west bound traffic. Without this improvement the intersection of Taylor Loop and Pinnacle Mountain Road will be affected by increased congestion during PM peak hour periods due to the added development traffic and continued traffic growth in the Cantrell corridor. July 19, 2006 Figure 5 — Proposed Geometries during PM I raffic The next figure depicts the turn movements and levels of service for the two intersections studied as a part of this analysis. The results of the analysis indicate an acceptable level of service at both intersections with little or no congestion as a result of the development when the improvements in the intersection have been completed. Figure 6 — Traffic with Development — Levels of Service The volumes to capacity ratios are acceptable with these proposed improvements and additional capacity is still available in the intersection for future growth. The following table shows the required signal phases and times required to move the propose traffic through the intersections. a� m a� V @ C a�T Cantrell J I?33 � tss �--1582Cantrell 'ssi=••■■ 132.` J b T F Figure 6 — Traffic with Development — Levels of Service The volumes to capacity ratios are acceptable with these proposed improvements and additional capacity is still available in the intersection for future growth. The following table shows the required signal phases and times required to move the propose traffic through the intersections. July 19, 2006 City of Little Rock Traffic Engineering Department of 621 S. Broadway Public Works Little Rock, Arkansas 72201 379-1800 Office 379-1850 Fax MEMORANDUM TO: VINCE FLORIANI FROM: WILLIAM HENRY, TRAFFIC ENGINEERING MANAGER SUBJECT: PINNACLE VILLAGE RETAIL DEVELOPMENT DATE: JULY 19, 2006 (REV. 2.1) Current Traffic Conditions The current traffic at Taylor Loop and Cantrell Road operates well with little or no delay in the traffic system which includes Pinnacle Valley Road and Taylor Loop Road on Cantrell Road. The figure below depicts the current traffic volumes and levels of service in each intersection on this route in close proximity to the Reese Development. N tU tg i= o 66 Cantrell X366 % 1265Cantrell s 967' _�� 62--,;'132 y �" am 1325 J O c>5 F— Figure 1— Existing Traffic and Levels of Service "We're Proud of Our Works!" 2006-07-13 Pinnacle Village Development July 19, 2006 The route was modeled utilizing SimTraffic to ascertain whether any backups occurred during the PM peak hour period. The figure below shows a snapshot of the model during the peak hour period with relatively no backups occurring in the intersections. Figure 2 — Modeling Existing PM Peak Hour Traffic The existing operation of the traffic signal at Taylor Loop and Cantrell clears all movements every cycle. The signal timings are based on a 70 second cycle length, which significantly reduces delays along Cantrell as well as the side streets. The volume to capacity ratios are significantly lower than one, which indicates that there is plenty of reserve capacity in the intersection. In order to compare volume to capacity ratios of the development traffic to existing traffic, existing traffic was modeled with a 90 second cycle length. The levels of service and volume to capacity ratios(v/c) can be seen in the adjacent figure. July 19, 2006 Projected Traffic Conditions with Pinnacle Village Development Traffic Engineering staff reviewed the traffic impact report provided by Peters and Associates Engineers. Problems with the model were corrected based on current aerial photography of the Cantrell and Taylor Loop intersection. Turn bay locations and lengths were corrected to match field conditions to insure model results were consistent with field conditions. The traffic impact study shows traffic on the N north leg of Taylor Loop increasing by 7,820 vehicles per day. The existing Wal - Greens and Catfish City Restaurant will generate approximately 5,043 trips a day for a total of 12,900 trips per day accessing Cantrell Road via the existing access, which was constructed by Wal -Greens. The proposed traffic configuration showing intersection levels of service is shown on the following figure. o r 150 E N Cantrell ;J l ::445 0 1— �89 156 "l! --1582Cantrell Figure 3 — Proposed Operation with Site Traffic With the addition of site traffic additional phases are required for safe operation of the traffic signal at Cantrell and Taylor Loop Road. The phasing must be modified from a 6 - phase operation to an 8 -phase operation and the cycle length must be increased from 70 July 19, 2006 seconds to 90 seconds to move traffic through the system. The level of service in the Taylor Loop intersection is degraded by one letter, from a B to a C level of service. Although this level of service is acceptable, the modeling shows that the results of running the two signals as a system results in additional congestion and delays in both the Taylor Loop intersection and the Pinnacle Valley intersection. The following figure depicts the amount of congestion that will occur as a result of the added traffic in the intersection of Taylor Loop and Cantrell Road. Figure 4 — Existing Roadway with added Site Traffic The added traffic proposed by the Reese Development will pose significant impacts on Cantrell Road as well as Taylor Loop Road. The lack of sufficient number of lanes on Taylor Loop and Cantrell causes a reduction in the through and left turn capacity on Cantrell Road. Without additional traffic added to the system by the Reese development, excess capacity is available for future growth on Cantrell. The study by Peters and Associates does not take future growth into account. The following figure shows the levels of service for each directional movement with the corresponding volume to capacity ratios for the different approaches. Any value greater than 1.0 for volume to capacity ration indicates that there are more vehicles on the approach than can be served, thus congestion builds as V/C ratios increase. As shown in the following figure the westbound left turn and the southbound left turns approach capacity of the intersection. Significant intersection improvements as well as widening Taylor Loop to the north to minor arterial standards to address traffic volumes in excess of 12,900 vehicles per day is needed in order to preserve existing excess capacity on Cantrell Road to accommodate future growth in this area and to provide required capacity to serve the proposed July 19, 2006 developments. Little Rock's Master Street Plan designates collector street service volumes as 5,000 vehicles per day and less. Minor Arterial street standards are required for service volumes in the 11,000 vehicles per day, which the Reese access will exceed. Figure 5 — Signal Timings and Capacity with Development Required Improvements per Master Street Plan The master street plan requires that arterial -arterial intersections include dual -left turn lanes on all approaches with 250' of stacking distance. Right turn lanes are also required with 250' of storage and taper lengths designed based on approach speeds per AASHTO standards. Taylor Loop North should be improved to a modified minor arterial standard due to the 13,200 vehicles a day, which is being proposed in the section accessing the proposed retail developments. A commercial collector section should be constructed into the development with access to the parking lot being taken off of this main entrance. The project was modeled with improvements in place necessary to handle the projected traffic and the intersection and traffic system operates within current operating standards. Improvements necessary as a part of this development to maintain current capacity levels are as follows: July 19, 2006 1. Construct North Taylor Loop Road to Minor Arterial Standards with a 5 -lane cross-section at Cantrell Road to provide Dual -Left Turn Lanes, 1 -through lane in each direction and a right turn lane. The roadway to the north of the intersection should be constructed to a commercial collector standard with a minimum width of 36'. The westbound left turns will be problematic until an intersection improvements project can be implemented to address the additional capacity needs in this intersection. Traffic is growing at a rate of approximately 5% per year based on AHTD traffic history in this area. The chart below is a graphical representation of that growth: The existing 445 vehicles per hour during the PM peak hour period making the westbound left turn are approaching its lane's capacity. This amount of traffic indicates the need for dual left turns to keep this intersection operating at an acceptable level of service without stacking left turning vehicles out into the main westbound lanes. A public improvement project will be necessary to address traffic growth concerns. Without future improvement of the intersection of Taylor Loop, Cantrell Road will be affected by increased congestion during PM peak hour periods due to the added development traffic and continued traffic growth in the Cantrell corridor. The proposed improvements implemented by the Pinnacle Project were modeled and are depicted of the following figure. July 19, 2006 Figure 5 — Proposed Geometries during PM Traffic The next figure depicts the turn movements and levels of service for the two intersections studied as a part of this analysis. The results of the analysis indicate an acceptable level of service at both intersections with some congestion as a result of the development when the improvements in the intersection have been completed. a a� m U i6 C ��— t5s t Cantrell J i iL �tsa2Cantrell a 13� 1566 J O F - Figure 6 — Traffic with Development — Levels of Service The volumes to capacity ratios are acceptable with these proposed improvements. Additional capacity will still be needed in the intersection to address future growth. The following table shows the required signal phases and times required to move the proposed traffic through the intersection. July 19, 2006 ® '�3I,'. Optiav>� lAsluMedtoN�dinvj TIMING WINDUW La�nx and Shairq (dPL] —k Yolu.e (vp81 E. .1 FO F I % ` tR : Eat EOT FOR WSL WBL WON NOL NOT NHH SOL SOT SOHPEA }(Qui 15 32 ads 166 150 iT 85 304 2 3 % 110 Cqc mC 9Q9 T type per.pt Perm pw.pt pt -- pNpv PeN -- Aa do etl %.O CL: P Mecled Phaeea 3 8 ) d N— CL: ]U.0 Y I]�Delaq 2d%4 Id LqS C N LOS. D ;- lnat iervn9a Mset6 mgx 01( ei 5! 0 0e Pham Mmmw —A (.1 Mu —SPY, (xl total SpY (aj Yelbm Tmn (s) A9 fled iam[j taaNt A" d COO 3 8 O; '___4 1 6 6T 5 2 2 �( d0 40 40-., 40 d0 - 40 40 40 40 40 -0.0 200 ROr' 200 M. •�- t00 10.0 - 10.0 t00 -10.0 120 36.0 36R 330 570 - 100 70.0 43.0 110 1TO-1 1 _36 34 0.5 05 0.5 05 0.5 OS 0.5 0.5 05 0. h LepLap tep Lead L d Lead Lep Lead tng _ L Y Y Y Y Y _f Y Y - Y Y Y 0 N6eem jt+8 WBTL EO. r Xaxlm HeuOMade Actuated Efk 6 (J Has E. CY N 0 t3 CM X M Y Y Y 365 30.5 385 ii9 530 120 60 325 ]0 IO ] - 6 543 942 0.59 0 59 D13 O.Ol 0.36` O OB 0.06 0. A— Nl Hain Ydume to Cap Paw 060 OT 0.19_0.88 069 0.)0 074 0.T 0.8] MR O. _._ 390 259 59 291 It T24 645 16 Otlay(i queue DeWy(7 --ml 00 0.0 QO 00 DO OD OD 0.0 QO 39.0 259 69291 41 529 ]59 301 R4 64-5 lfi c Tale) Delay (:7 tevH W Semce D C AE C E F Apteaach Oetay lel A oath LOS __D_E 255 lb4 41.6 - 549 - C S D D pueue Lm0 5p0 (N7 queue Letgth 95tM1 (O7 59 259 ti 124 18 72 52 189 5B 55 i1Z) E3n 51. ml% 26 v1�1 8133 263 8t3f EI30 �, S1Wx M.) 9] T5 29,J2S0 300 112 14 31) 108 80 2Y Eud Uttd(yiNj 4 24 2- IO 11 3 2 6 5 2- t e1 � 02 a1 e3 d �' e5 -ie ae fij ai x City of Little Rock Traffic Engineering Department of 621 S. Broadway Public Works Little Rock, Arkansas 72201 379-1800 Office 379-1850 Fax MEMORANDUM REC�IVE� jut o 2006 TO: VINCE FLORIANI By'___' FROM: WILLIAM HENRY, TRAFFIC ENGINEERING MANAGER SUBJECT: PINNACLE VILLAGE RETAIL DEVELOPMENT DATE: JULY 20, 2006 (REV. 2.2) Required Improvements per Master Street Plan The master street plan requires that arterial -arterial intersections include dual -left turn lanes on all approaches with 250' of stacking distance. Right turn lanes are also required with 250' of storage and taper lengths designed based on approach speeds per AASHTO standards. Taylor Loop North should be improved to a modified minor arterial standard due to the 13,200 vehicles a day, which is being proposed in the section accessing the proposed retail developments. A commercial collector section should be constructed into the development with access to the parking lot being taken off of this main entrance. The project was modeled with improvements in place necessary to handle the projected traffic and the intersection and traffic system operates within current operating standards. Improvements necessary as a part of this development to maintain current capacity levels are as follows: Construct North Taylor Loop Road to Minor Arterial Standards with a 5 -lane cross-section at Cantrell Road to provide Dual -Left Turn Lanes, 1 -through lane in each direction and a right turn lane. The roadway to the north of the intersection should be constructed to a commercial collector standard with a minimum width of 36'. "We're Proud of Our Works!" 2006-07-13 Pinnacle Village Development July 20, 2006 Current Traffic Conditions The current traffic at Taylor Loop and Cantrell Road operates well with little or no delay in the traffic system which includes Pinnacle Valley Road and Taylor Loop Road on Cantrell Road. The figure below depicts the current traffic volumes and levels of service in each intersection on this route in close proximity to the Reese Development. ir3 5 N U til m r -i X88 �_ X124 Cantrell �i�_� ,36 )�.126 62—>' 1325' Figure 1 — Existing Traffic and Levels of Service The route was modeled utilizing SimTraffic to ascertain whether any backups occurred during the PM peak hour period. The figure below shows a snapshot of the model during the peak hour period with relatively no backups occurring in the intersections. July 20, 2006 Figure 2 — Modeling Existing PM Peak Hour Traffic The existing operation of the traffic signal at Taylor Loop and Cantrell clears all movements every cycle. The signal timings are based on a 70 second cycle length, which significantly reduces delays along Cantrell as well as the side streets. The volume to capacity ratios are significantly lower than one, which indicates that there is plenty of reserve capacity in the intersection. In order to compare volume to capacity ratios of the development traffic to existing traffic, existing traffic was modeled with a 90 second cycle length. The levels of service and volume to capacity ratios(v/c) can be seen in the adjacent figure. July 20, 2006 Proiected Traffic Conditions with Pinnacle Village Development Traffic Engineering staff reviewed the traffic impact report provided by Peters and Associates Engineers. Problems with the model were corrected based on current aerial photography of the Cantrell and Taylor Loop intersection. Turn bay locations and lengths were corrected to match field conditions to insure model results were consistent with field conditions. The traffic impact study shows traffic on the north leg of Taylor Loop increasing by 7,820 vehicles per day. The existing Wal - Greens and Catfish City Restaurant will generate approximately 5,043 trips a day for a total of 12,900 trips per day accessing Cantrell Road via the existing access, which was constructed by Wal -Greens. The proposed traffic configuration showing intersection levels of service is shown on the following figure. 150 0) Cantrell 166 N ti3 tl3 CL `" X156 "li—1582CantreH Figure 3 — Proposed Operation with Site Traffic With the addition of site traffic additional phases are required for safe operation of the traffic signal at Cantrell and Taylor Loop Road. The phasing must be modified from a 6 - phase operation to an 8 -phase operation and the cycle length must be increased from 70 July 20, 2006 seconds to 90 seconds to move traffic through the system. The level of service in the Taylor Loop intersection is degraded by one letter, from a B to a C level of service. Although this level of service is acceptable, the modeling shows that the results of running the two signals as a system results in additional congestion and delays in both the Taylor Loop intersection and the Pinnacle Valley intersection. The following figure depicts the amount of congestion that will occur as a result of the added traffic in the intersection of Taylor Loop and Cantrell Road. Figure 4 — Existing Roadway with added Site Traffic The added traffic proposed by the Reese Development will pose significant impacts on Cantrell Road as well as Taylor Loop Road. The lack of sufficient number of lanes on Taylor Loop and Cantrell causes a reduction in the through and left turn capacity on Cantrell Road. Without additional traffic added to the system by the Reese development, excess capacity is available for future growth on Cantrell. The study by Peters and Associates does not take future growth into account. The following figure shows the levels of service for each directional movement with the corresponding volume to capacity ratios for the different approaches. Any value greater than 1.0 for volume to capacity ration indicates that there are more vehicles on the approach than can be served, thus congestion builds as V/C ratios increase. As shown in the following figure the westbound left turn and the southbound left turns approach capacity of the intersection. Significant intersection improvements as well as widening Taylor Loop to the north to minor arterial standards to address traffic volumes in excess of 12,900 vehicles per day is needed in order to preserve existing excess capacity on Cantrell Road to accommodate future growth in this area and to provide required capacity to serve the proposed July 20, 2006 developments. Little Rock's Master Street Plan designates collector street service volumes as 5,000 vehicles per day and less. Minor Arterial street standards are required for service volumes in the 11,000 vehicles per day, which the Reese access will exceed. Figure 5 — Signal Timings and Capacity with Development The westbound left turns will be problematic until an intersection improvements project can be implemented to address the additional capacity needs in this intersection. Traffic is growing at a rate of approximately 5% per year .based on AHTD traffic history in this area. The chart below is a graphical representation of that growth: 35000 30000 E 25000 20000 15000 R 10000 5000 Cantrell Road Traffic Growth 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Year July 20, 2006 The existing 445 vehicles per hour during the PM peak hour period making the westbound left turn are approaching its lane's capacity. This amount of traffic indicates the need for dual left turns to keep this intersection operating at an acceptable level of service without stacking left turning vehicles out into the main westbound lanes. A public improvement project will be necessary to address traffic growth concerns. Without future improvement of the intersection of Taylor Loop, Cantrell Road will be affected by increased congestion during PM peak hour periods due to the added development traffic and continued traffic growth in the Cantrell corridor. The proposed improvements implemented by the Pinnacle Project were modeled and are depicted of the following figure. Figure 5 — Proposed Geometrics during PM Traffic The next figure depicts the turn movements and levels of service for the two intersections studied as a part of this analysis. The results of the analysis indicate an acceptable level of service at both intersections with some congestion as a result of the development when the improvements in the intersection have been completed. July 20, 2006 m m V R TT afi o "s� � ,ss Cantrell � a i'• ,1582Cantrell y0. J O F Figure 6 — Traffic with Development — Levels of Service The volumes to capacity ratios are acceptable with these proposed improvements. Additional capacity will still be needed in the intersection to address future growth. The following table shows the required signal phases and times required to move the proposed traffic through the intersection. NOTICE OF PUBLIC HEARING BEFORE THE LITTLE ROCK PLANNING COMMISSION ON A REQUEST FOR USE CHANGE OR DEVELOPMENT OF LAND Amend Land Use Plan from WHAT: Transition and Single Family to Mixed Office Commercial WHERE: North of Cantrell Road and west of Pinnacle Valley Road Planning Commission Meeting WHEN: May 11, 2006 - 4:00 p.m. 2nd floor Board Chambers City Hall - 500 West Markham Case Number: LU06-01-02 —This notice is provided in order to assure that area residents are aware of issues that May affect their neighborhood.*** NOTICE OF PUBLIC HEARING BEFORE THE LITTLE ROCK PLANNING COMMISSION ON A REQUEST FOR USE CHANGE OR DEVELOPMENT OF LAND Amend Land Use Plan from WHAT: Transition and Single Family to Mixed Office Commercial WHERE: North of Cantrell Road and west of Pinnacle Valley Road Planning Commission Meeting WHEN: May 11, 2006 – 4:00 p.m. 2 ndfloor Board Chambers City Hall – 500 West Markham Case Number: LU06-01-02 ***This notice is provided in order to assure that area residents are aware of issues that May affect their neighborhood.— name org ADDRESS bldg apt city state zip z number Betty Creston Seduded Hills P. O.A. 14523 Shepherd Drive Little Rock, AR 72223 LU06-01-02 Mark Littrell Westbury N.A. 14315 Westbury Drive Little Rock, AR 72223 LU06-01-02 Occupant 1 PINE MOUNTAIN RD LITTLE ROCK AR 72223 lu06-01-02 Occupant i WATERFORD DR LITTLE ROCK AR 72223 Iu06-01-02 Occupant 14424 CANTRELL RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 14502 CANTRELL RD LITTLE ROCK Aft 72223 Iu06-01-02 Occupant 14520 CANTRELL RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 14524 CANTRELL RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 14600 CANTRELL RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 14604 CANTRELL RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 14710 CANTRELL RD LITTLE ROCK AR 72223 I06-01-02 Occupant 14800 CANTRELL RD LITTLE ROCK AR 72223 106-01-02 Occupant 14806 CANTRELL RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 14910 CANTRELL RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 2 PINE MOUNTAIN RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 3 WATERFORD DR LITTLE ROCK AR 72223 Iu06-01-02 Occupant 4 PINE MOUNTAIN RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 5300 PINNACLE VALLEY RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 5302 PINNACLE VALLEY RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 5316 PINNACLE VALLEY RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 5401 PINNACLE VALLEY RD LITTLE ROCK AR 72223 Iu0641-02 Occupant 5522 PINNACLE VALLEY RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 5524 PINNACLE VALLEY RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 5550 PINNACLE VALLEY RD LITTLE ROCK AR 72223 Iu06-01-02 Occupant 5604 PINNACLE VALLEY RD LITTLE ROCK AR 72223 10641-02Occupant 6 PINE MOUNTAIN RD LITTLE ROCK AR 72223 106-01-02Rose Mary Robinson Westchester/Heatherbme P. O.A. #6 Westchester Cove LRtle Rock, AR 72223 LU06-01-02