Safe Streets Arlington Plan Safe Streets Arlington Plan | Page 112

Lane Narrowing
Left Turn Enhanced Daylighting / Slow Turn Wedge
INTERSECTIONS & ROADWAYS
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INTERSECTIONS & ROADWAYS

Lane Narrowing

Lane narrowing reduces the width of the marked vehicle lanes to encourage motorists to travel at slower speeds . Lane narrowing can also help reallocate existing roadway space to other road users .
Cost $

Left Turn Enhanced Daylighting / Slow Turn Wedge

Uses paint and bollards to extend the curb and slow left turns at intersections of oneway to one-way or two-way streets . Widening the turning radii of left-turning vehicles expands the field of vision for drivers and increases the visibility of pedestrians .
Cost $
Low Cost / Quick Build alternative available
Relevant Crash Types Rear-End Speed Management Pedestrians at Unsignalized Intersections Bicyclists at Unsignalized Intersections
Safe System Hierarchy
Tier 1
Tier 2
Tier 3
Tier 4
Reduce Vehicle Speeds
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Relevant Crash Types Pedestrians at Signalized Intersections
Safe System Hierarchy
Tier 1
Tier 2
Tier 3
Tier 4
Reduce Vehicle Speeds
Increase Attentiveness and Awareness
APPENDIX B : COUNTERMEASURES TOOLBOX B-13