HomeMy WebLinkAbout18055ORDINANCE NO. 18,055
AN ORDINANCE APPROVING AMENDED
MASTER STREET PLAN FOR THE CITY OF
LITTLE ROCK, ARKANSAS, INCLUDING
REVISED DESIGN STANDARDS, RELATED
MATTERS, AND REPEALING ORDINANCE 15519.
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WHEREAS, the City of Little Rock needs to update comprehensive street design standards to
improve growth and function of its street and highway system; and as a framework and guide in further
planning and engineering studies; and as a means of enhancing the livability of our community; and
WHEREAS, the Little Rock Planning Commission reviewed and conducted public hearings,
now recommends adoption of Master Street Plan revision; and
WHEREAS, the public health, welfare, and safety of Little Rock citizens will be protected,
promoted, and benefited by adoption of this Ordinance.
WHEREAS, Subdivision Ordinance requires amendment to delete conflicting requirements.
NOW, THEREFORE, BE IT ORDAINED BY THE BOARD OF
DIRECTORS OF THE CITY OF LITTLE ROCK, ARKANSAS:
SECTION 1. Section 2: ROAD CLASSIFICATIONS shall be revised to include a new
definition for commercial streets as follows:
A. Commercial Street
Commercial streets are those boundary streets not identified on the Master Street Plan as a collector, minor
arterial, principal arterial, or expressway and property is not used as residential. Residential properties are
those properties with single family or two family residences. Residentially zoned property with a permitted
use greater than a single or two family residence requires commercial street standards.
SECTION 2. The design considerations of the functionally classified street system of the City
of Little Rock shall be as follows:
A. Expressway
Design as designated by Federal Highway Administration and the State Highway Department. Access
roads shall be considered commercial streets; however, sidewalk construction is not required with
development unless specifically required and approved by the Planning Commission.
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B. Principal Arterial — Phase II Construction
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Design Speed
45 mph
Maximum Centerline Grade
8% (5% at intersections - 1" 30 feet)
Minimum Sight Distance
400' min.
Min. Horizontal Radius at Centerline (normal crown)
900'
Min. Horizontal Radius at Centerline (super- elevated)
500'
Min. Horizontal Tangent Distance Between Reverse Curves 300'
Service Volumes
25,000
Minimum Right -of -way
110'
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Minimum Pavement Width (BC to BC) Two — 37, with separating 14 foot median
Intersection Curb Radius 30'
Sidewalks Both Sides (5' wide at property line)
Driveways Deceleration Lane Not Required
Storm Drainage Design period - 50 year storm event
Provisions required -100 year storm event
C. Principal Arterial — Phase I Construction (Initial)
Design Speed
45 mph
Maximum Centerline Grade
8 %(5 %at intersections - 1 "30 feet)
Minimum Sight Distance
400' min.
Min. Horizontal Radius at Centerline (normal crown)
900'
Min. Horizontal Radius at Centerline (super - elevated)
500'
Min. Horizontal Tangent Distance Between Reverse Curves 300'
Service Volumes
18,000
Minimum Right -of -way
110'
Minimum Pavement Width (BC to BC)
Two -26' with separating 14 foot median
Sidewalks
Intersection Curb Radius
Driveways
Storm Drainage
(66'w or w/o median)
Both Sides (5' wide at property line)
30'
Deceleration Lane Required
Design period - 50 year storm event
Provisions required -100 year storm event
D. Minor Arterial Construction
Design Speed
40 mph 473
Maximum Centerline Grade
9% (5% at intersections - 1" 30 feet)
Minimum Sight Distance
325' min.
Min. Horizontal Radius at Centerline (normal crown)
600'
Min. Horizontal Radius at Centerline (super - elevated)
500'
Min. Horizontal Tangent Distance Between Reverse Curves 200'
Service Volumes
18,000
Minimum Right -of -way
90'
Minimum Pavement Width (BC to BC)
Two -26' with separating 14 foot median
Intersection Curb Radius
or 59' (Divided is Standard Section)
Intersection Curb Radius
30'
Sidewalks
Both Sides (5' wide at property line)
Storm Drainage
Design period -25 year storm event
Storm Drainage
Provisions required -100 year storm event
E. Collector or Commercial Street
Design Speed
30 mph
Maximum Centerline Grade
12% (5% at intersections —1" 30 feet)
Minimum Sight Distance
200' min.
Min. Horizontal Radius at Centerline (normal crown)
275'
Min. Horizontal Radius at Centerline (super- elevated)
235'
Min. Horizontal Tangent Distance Between Reverse Curves 100'
Service Volumes
5,000
Minimum Right -of -way
60'
Minimum Pavement Width (BC to BC)
31' or 36' as approved on Preliminary Plat
Intersection Curb Radius
25'
Sidewalks
Both Sides and 5' wide for commercial and
one sidewalk 4' wide for residential (min. 5'
from back of curb)
Storm Drainage
Design period -25 year storm event
Provisions required -100 year storm event
F. Minor Commercial Street (Cul -de -sac less than 300') 475
Design Speed
25 mph
Maximum Centerline Grade
15% (5% at intersections - 1" 30 feet)
Minimum Sight Distance
150' min.
Min. Horizontal Radius at Centerline (normal crown)
75'
Min, Horizontal Radius at Centerline (super - elevated)
N/A
Min. Horizontal Tangent Distance Between Reverse Curves 50'
Service Volumes
2,500
Minimum Right -of -way
50'
Minimum Pavement Width (BC to BC)
26'
Intersection Curb Radius
20'
Sidewalks
5' wide sidewalk both sides (min. 5' from
back of curb)
Storm Drainage
Design period -25 year storm event
Provisions required -100 year storm event
G. Industrial Street (Other than Collector /Commercial Construction)
Design Speed
30 mph
Maximum Centerline Grade
12 %(5 %at intersections - 1 ' 30 feet)
Minimum Sight Distance
200' min.
Min. Horizontal Radius at Centerline (normal crown)
275'
Min. Horizontal Radius at Centerline (super - elevated)
235'
Min. Horizontal Tangent Distance Between Reverse Curves 100'
Service Volumes
5,000
Minimum Right -of -way
68' plus open drainage requirements
Minimum Pavement Width
28' plus 6 foot paved shoulders (40' min.)
Intersection Curb Radius
30' or WB- 50 turning radius
Sidewalks
5' wide sidewalk both sides (min. 5' from
back of curb) *unless in exclusion zone
Storm Drainage
Design period -25 year storm event
Provisions required -100 year storm event
H. Residential Street
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Design Speed
25 mph
Maximum Centerline Grade
15% (5% at intersections - 1" 30 feet)
Minimum Sight Distance
200' min.
Min. Horizontal Radius at Centerline (normal crown)
150'
Min. Horizontal Radius at Centerline (super- elevated)
N/A
Min. Horizontal Tangent Distance Between Reverse Curves 50'
Service Volumes
2,500
Minimum Right -of -way
50'
Minimum Pavement Width
26'
Intersection Curb Radius
20'
Sidewalks
4' wide sidewalk one side (min. 5' from
Sidewalks
back of curb)
Storm Drainage
Pavement and Inlets -25 year storm event
Storm Drain Pipes and ditches -10 year
Provisions required -100 year storm event
I. Minor Residential Street (Maximum centerline length 1500')
Design Speed
20 mph
Maximum Centerline Grade
16% (may be increased to 18% w /approval)
(5% at intersections -1" 30 feet)
Minimum Sight Distance
200' min.
Min. Horizontal Radius at Centerline (normal crown)
75'
Min. Horizontal Radius at Centerline (super - elevated)
N/A
Min. Horizontal Tangent Distance Between Reverse Curves N/A
Service Volumes
No more than 35 lots
Minimum Right -of -way
45'
Minimum Pavement Width
24'
Intersection Curb Radius
20'
Sidewalks
None Required
Storm Drainage
Pavement and Inlets -25 year storm event
Storm Drain Pipes and ditches -10 year
Provisions required -100 year storm event
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J. Alley Standards qq
1. Residential 1
Design Speed
15 mph
Maximum Centerline Grade
16% (maybe increased to 18% w /approval)
(5% at intersections -I� 30 feet)
Minimum Sight Distance
150' min.
Min. Horizontal Radius at Centerline (normal crown)
50'
Min. Horizontal Radius at Centerline (super- elevated)
N/A
Min. Horizontal Tangent Distance Between Reverse Curves N/A
Service Volumes
Less Than 20 lots
Minimum Easement (private maintenance required)
30'
Minimum Pavement Width
18'
Intersection Curb Radius
15'
Sidewalks
None Required
Storm Drainage
Pavement and Inlets -25 year storm event
Storm Drain Pipes and ditches -10 year
Provisions required -100 year storm event
2. Commercial
Design Speed
15 mph
Maximum Centerline Grade
16% (may be increased to 18% w /approval)
(5% at intersections -] ' 30 feet)
Minimum Sight Distance
150' min.
Min. Horizontal Radius at Centerline (normal crown)
75'
Min. Horizontal Radius at Centerline (super- elevated)
N/A
Min. Horizontal Tangent Distance Between Reverse Curves N/A
Service Volumes
(Approval required)
Minimum Easement (private maintenance required)
20'
Minimum Pavement Width
18'
Intersection Curb Radius
20'
Sidewalks
None Required
Storm Drainage
Design period -25 year storm event
Provisions required -100 year storm event
SECTION 3: The Director of Public Works may approve variances from sidewalk location
from street curb and width standards for building permit applications. The Planning Commission may
approve variance of sidewalk location from street curb and width standards for applications before the
Commission. Appeal provisions of these decisions may be filed with the Little Rock Board of Directors.
The remaining design criteria waivers and deferrals may be approved by Planning Commission for
applications before commission or Director of Public Works for building permit applications, These
waivers are limited to 25% variance of standards. Deferrals for improvements are permitted for two years
from the date of application or building permit. Appeal provisions of these decisions may be filed with the
Little Rock Board of Directors.
SECTION 4. If conflicts between this Ordinance and other City Ordinances should occur, the
most restrictive Ordinance shall prevail.
SECTION 5. That Ordinance No. 15519, adopted August 2, 1988, is hereby repealed, except
for the portion not revised herein.
SECTION 6. A copy of this Ordinance together with text maps and graphs referred to herein
shall be filed in the Office of the Recorder of Pulaski County as required by Act 186 of 1957 of the General
Assembly of the State of Arkansas. qq ��j ��}}
SECTION 7. If any section, clause, paragraph, provision or portion of this Ordinance oirP4dt�
shall be held invalid or unconstitutional, such holdings shall not affect any other section, clause, paragraph,
provision or portion of this Ordinance or Plan.
SECTION 8. This ORDINANCE shall take effect and be in force from and after its passage
and approval.
PASSED: July 6, 1999
ATTEST:
APPROVED:
MAYO VICE) ,A. J. 6iYRICR
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