Safe Streets Arlington Plan Safe Streets Arlington Plan | Page 136

Supplemental Signal Heads
Advance Stop Bar
SIGNALS SIGNING & STRIPING

Supplemental Signal Heads

Additional signal heads allow drivers to anticipate signal changes farther away from intersections . Supplemental traffic signals may be placed on the near side of an intersection , far-left , far-right , or very high .
Cost $$

Advance Stop Bar

An advanced stop bar is a horizontal stripe painted ahead of the crosswalk at stop signs and signals to indicate where drivers should stop . An advanced stop bar reduces instances of vehicles encroaching on the crosswalk . Creating a wider stop bar or setting the stop bar further back may be appropriate for locations with known crosswalk encroachment issues .
Cost $
Low Cost / Quick Build alternative available
Relevant Crash Types Left Turns at Signalized Intersections Angled Crashes at Signalized Intersections
Safe System Hierarchy
Tier 1
Tier 2
Tier 3
Tier 4
Increase Attentiveness and Awareness
Relevant Crash Types Left Turns at Unsignalized Intersections Angled Crashes at Signalized Intersections Angled Crashes at Unsignalized Intersections Pedestrians at Signalized Intersections
Safe System Hierarchy
Tier 1
Tier 2
Tier 3
Tier 4
Increase Attentiveness and Awareness
APPENDIX B : COUNTERMEASURES TOOLBOX B-37