NCHRP Report 350: Devices in Work Zones - Category 1

Cones, barrels, delineators

  • Lightweight devices for which we have years of good history
  • Individual crash testing not needed
  • Vendor may self-certify that device is crashworthy
  • Drums with lights firmly attached also in this category
  • Deadline was October 1, 1998

Information on Self-certification may be found on the Office of Safety FAQ page at http://safety.fhwa.dot.gov/roadway_dept/road_hardware/faq.cfm

Drum with Light

Crash testing of drums with lights and various sign panels by Texas Transportation Institute showed that lights are OK as long as they are firmly attached to the drum, typically using the "vandal-resistant" cupped washer.

orange and silver safety drum with light attachment

For Additional Information:

Nick Artimovich
FHWA - HSA-10
400 Seventh Street, SW
Washington, DC 20590
nick.artimovich@fhwa.dot.gov

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Mary McDonough
Roadway Departure Team Leader

202-366-2175

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