Guardrail

The purpose of guardrail is to reduce the potential for, and the severity of accidents involving vehicles that run off the road. The following parameters are useful in evaluating a location for the need of guardrail:

• Distance from the roadway to the hazard
• Embankment height and slope
• Speed and volume of traffic
• Horizontal and vertical alignment of the roadway
• Accident history

• New Installations
• Click on the following link for additional information concerning guardrail:
  Federal Highway Administration
• To address any issues concerning damaged guardrail, please report the location to the
  Division of Highway Services.

For additional general information, please contact:

Division of Traffic Engineering and Operations
Traffic Engineering Design and Operations Section
100 Edison Park Drive, 4th Floor
Gaithersburg, Maryland 20878
Telephone: 240.777.6000
Fax: 240.777.2080