Diagram showing strategies to mitigate the three main risk factors for roadway departure crashes:
Overturn Crash Strategies:
- Curve Delineation
- Friction treatments in curves
- Edge line and shoulder rumble strips
- Safety EdgeSM
- Clear zones
- Traversable roadside slopes
- Barrierss to shield fiexed objects and slopes
Opposite Direction Crashes:
- Center line rumble stripes
- Friction treatments in curves
- Increased separation betweeen opposing lanes, particularly in curves.
- Median barriers
Roadside Trees and Shrub Crash Strategies:
- Edge line and shoulder rumble strips
- Curve delineation
- Friction treatments in curves
- Clearzone improvements, particularly on the outside of curves
- Barriers to shield trees and shrubs
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