Transcript SD99-01 Highway Access Management

Connecting South Dakota and the Nation
Access Management Training
Brooke White, Access Management Engineer
Access Management Training
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Background
– What is Access Management?
– History
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Applying Access Management
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Strategic planning
Functional planning
Design
Permitting
Resources
Access Management Is...
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...the process of providing access to land
development while preserving traffic flow, safety,
capacity, and speed on the surrounding highway
system.
Benefits of Access
Management
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Safety
Congestion mitigation
Economic development
FHWA Videotape
History
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Outdated, inconsistently applied policies
Recognition of importance of operations
and system management
Research project 1999
Legislative authority 2000
Committee, rules draft, approval
Implementation
Applying Access Management
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Strategic planning
Functional planning
Design
Permits
Applying Access Management
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Strategic planning
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SDDOT policy
Land development ordinances
Site plan review ordinances
Comprehensive plans
SD platting law
Functional planning
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Transportation plans
Current land use planning
SDDOT design manual
Local design standards
Spacing criteria
SDDOT Policy PP-2004-1
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Assigns access management responsibilities
within department
Establishes principle of a permit for each
access point
Commits SDDOT to coordination with local
governments
Land Development Ordinances
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Restrict number of driveways per lot
Locate driveways away from intersections
Connect parking lots and consolidate driveways
Provide residential access through neighborhood
streets
Increase minimum lot frontage on major roads
Promote a connected street system
Promote internal access to outparcels
Special setbacks for major streets
Site Plan Review Ordinances
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Allow consideration of access at early steps
of development
Allow for smooth coordination between
agencies
Comprehensive Plans
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Set the goals, objectives and policies for
access management
Establish functional classification/access
relationship
Provide for a variety of street types
SD Platting Law
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11-3-12.1. Approval of access to street or highway prerequisite
to filing plat. The owner of any parcel of land proposing to
develop such land for residential or commercial purposes shall
obtain written approval of the proposed access to an abutting
highway or street from the appropriate highway or street
authority. The approval shall be obtained prior to filing of the
plat in accordance with this chapter and may not replace the
need for any permits required by law.
Applying Access Management
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Strategic planning
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SDDOT policy
Land development ordinances
Site plan review ordinances
Comprehensive plans
SD platting law
Functional planning
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Transportation plans
Current land use planning
SDDOT design manual
Local design standards
Spacing criteria
Spacing Criteria
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Contained in access management
administrative rules 70:09
Found at:
http://legis.state.sd.us/rules/DisplayRule.aspx?Rule=70:09
Access Criteria
Access Class
Interstate
Expressway
Free Flow Urban
Intermediate Urban
Urban Developed
Urban Fringe
Rural
Signal
Spacing
Distance
(mile)
N/A
1/2
1/2
1/2
1/4
1/4
N/A
Median
Minimum
Opening Unsignalized
Spacing
Access
(mile) Spacing (feet)
N/A
1/2
1/2F, 1/4D
1/2F, 1/4D
1/4
1/2F, 1/4D
N/A
N/A
2640
1320
660
100
1000
1000
Access Density
Denial of Access
When Other
Available
N/A
at half-mile increments
at quarter-mile increments
at eighth-mile increments
2 accesses/block face
5 accesses/side/mile
5 accesses/side/mile
Yes
Yes
Yes
Yes
Yes
Yes
Yes
F = Full Movement – all turns and through movements
D = Directional Only – certain turning and through movements not provided
Access Classification
Applying Access Management
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Design
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Techniques
New vs. Retrofit
Retrofit examples
Guidance
Permits
– Local
– State
Technique - Signal Spacing
Optimum Signal Spacing (feet)
Cycle
Length
(sec.)
60
Speed (mph)
25
30
1,100
1,320
35
1,540
40
1,760
45
1,980
50
2,200
55
2,430
70
1,280
1,540
1,800
2,050
2,310
2,500
2,820
80
1,470
1,760
2,050
2,350
2,640
2,930
3,220
90
1,630
1,980
2,310
2,640
2,970
3,300
3,630
120
2,200
2,640
3,080
3,520
3,960
4,400
4,840
150
2,750
3,300
3,850
4,400
4,950
5,500
6,050
Source: National Highway Institute, Access Management, Location, and Design, NHI Course No.
15255, 1991.
Technique - TWLTL/median
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Volumes up to 24,000 vpd
At least 60 access points per mile
Spaced moderate to high volume accesses
Technique - Other Turn Lanes
Technique - Other Turn Lanes
Technique - Coordinate
Driveways
Technique - Consolidating
Access
New vs. Retrofit
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New access- make approve/deny decision
on new applications based on criteria
Retrofit access- make design decisions
based on existing property and access
rights - aspects of “retrofit” in every
design
Retrofit situations
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Try to get as close as possible to standards
Recognize existing property rights
Introduce geometric features as warranted
Look for alternate access
Evaluate costs vs benefits of changes
Incremental improvements over long term
Retrofit examples
Retrofit examples
Retrofit examples
Dealing with landowners
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Consistency in process
– recognition of existing rights
– application of standards and best practice
– recognition of special circumstances
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Safety, efficiency, economy
Benign commercial impacts
Applying Access Management
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Design
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Techniques
Design vs. Retrofit
Retrofit examples
Guidance
Permits
– Local
– State
Access Permits
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Application to Area Engineer
Generated as part of design projects
– From final plans
– Through Access Management Engineer
– Into access database
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Coordination with local government
Resources
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Operations Guide
National Access Management Manual
“Green Book”
NCHRP research
National Access Management Website http://www.accessmanagement.gov/
Summary
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Access Management preserves safety and
efficiency of roadway
Applied through planning, design and
permitting
New vs. retrofit
Questions?
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For further information,
contact
Brooke A. White
Access Management Engineer
SD Department of Transportation
5316 W. 60th St., N.
Sioux Falls, SD 57107
Cell:
605.201.1013
Phone
605.367.5680
Fax
605.367.5685
email
[email protected]