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FULL CLOSURES/CUL-DE-SACS
Full closures or Cul-de-Sacs close one end of a street.
They are used to force changes in travel patterns - such as preventing cut-through traffic in residential neighborhoods or to eliminate dangerous or problematic intersections.
Care should be taken to consult neighborhoods when proposing cul-de-sacs or full closures because access to properties may become more difficult resulting in potential delays for residents.
Sidewalks can be left open.
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Temporary Installation
N/A
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Permanent Installation
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PROS
1. Reduces traffic speed.
2. Reduces traffic volumes.
3. Reduces cut-through traffic.
4. Self-enforcing.
5. Enhanced landscaping opportunities are possible.
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CONS
1. May reduce access for emergency vehicles.
2. Parking may be lost at the cul-de-sac end.
3. Diversion to longer routes may cause inconvenience to and be opposed by affected residents.
4. Not suitable on transit routes.
5. Design to provide pedestrian and bicycle access.
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Summary of Effectiveness
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Volume Reduction
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Yes
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Speed Reduction
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Yes
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Safety Improvement
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Likely
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-
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-
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Streets to Use On Collector, Local
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Local/Collector
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Use on Bus Route
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No
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Use with Curbs and Gutters
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Yes
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Spot or Area-wide Use
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Spot
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-
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-
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Emergency Service Access Issues
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Yes
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Impacts on Arterials
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Possible
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Change in % Trucks
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Possible
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Environmental Changes
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Reduce Noise
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-
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-
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Dependence on Enforcement
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No
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Level of Violation
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Self-Enforced
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-
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-
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Aesthetics and Landscaping
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Possible
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