Create or Increase Clear Zone
Delineators , Reflectors , and / or Object Markers
- -
OTHER OTHER
Create or Increase Clear Zone
A clear zone is an unobstructed , traversable roadside area that allows a driver to stop safely or regain control of a vehicle that has left the roadway . The width of the clear zone is informed by roadway context , desired vehicle speeds , and agency design standards .
Delineators , Reflectors , and / or Object Markers
Delineators , reflectors and / or object markers are intended to warn drivers of an approaching curve or fixed object that cannot easily be removed . They are generally less costly than Chevron Signs as they don ’ t require posts to place along the roadside .
Cost $$
Cost $
Low Cost / Quick Build alternative available
Relevant Crash Types Run Off Road Sideswipes Fixed Object
Safe System Hierarchy |
Tier 1 |
Tier 2 |
Tier 3 |
Tier 4 |
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Increase Attentiveness and Awareness |
Relevant Crash Types Run Off Road Fixed Object
Safe System Hierarchy |
Tier 1 |
Tier 2 |
Tier 3 |
Tier 4 |
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|
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Increase Attentiveness and Awareness |
APPENDIX B : COUNTERMEASURES TOOLBOX B-44