U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


Skip to content
FacebookYouTubeTwitterFlickrLinkedIn

Safety

eSubscribe
eSubscribe Envelope

FHWA Home / Safety / Roadway Departure / FHWA Roadway Departure Crash Emphasis Area

FHWA Roadway Departure Crash Emphasis Area – Long Description

Diagram showing strategies to mitigate the three main risk factors for roadway departure crashes:

Overturn Crash Strategies:

  1. Curve Delineation
  2. Friction treatments in curves
  3. Edge line and shoulder rumble strips
  4. Safety EdgeSM
  5. Clear zones
  6. Traversable roadside slopes
  7. Barrierss to shield fiexed objects and slopes

Opposite Direction Crashes:

  1. Center line rumble stripes
  2. Friction treatments in curves
  3. Increased separation betweeen opposing lanes, particularly in curves.
  4. Median barriers

Roadside Trees and Shrub Crash Strategies:

  1. Edge line and shoulder rumble strips
  2. Curve delineation
  3. Friction treatments in curves
  4. Clearzone improvements, particularly on the outside of curves
  5. Barriers to shield trees and shrubs

<< Back

Page last modified on February 16, 2017
Safe Roads for a Safer Future - Investment in roadway safety saves lives
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000