Certification of transportation engineering technicians.

National Highway Institute, Washington, D.C.

Development of proposed height standards and tolerances for light-post traffic barriers. Interim report.

Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.

Reflectivity and durability of epoxy pavement markings. Interim report.

Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.

Evaluation of an end treatment for heavy-post median barriers. Final report.

Federal Highway Administration, Washington, D.C.

Effectiveness of flashing arrow boards during moving maintenance operations. Final report.

Federal Highway Administration, Washington, D.C.

Crash tests of light-post thrie-beam traffic barriers. Final report.

Federal Highway Administration, Office of Research, Washington, D.C.

Crash tests of sharply curved light-post guiderail. Third interim report.

Federal Highway Administration, Office of Research, Washington, D.C.

Performance of a gravel-bed truck-arrestor system.

Federal Highway Administration, Washington, D.C.

Evaluation of Adirondack Park highway signs. Final report.

Federal Highway Administration, Washington, D.C.

Performance of highway safety devices. Final report.

Federal Highway Administration, Washington, D.C.

Evaluation of raised snowplowable pavement markers. Final report.

Federal Highway Administration, Office of Research, Washington, D.C.

W-beam guiderail transition from light to heavy posts. Final report.

Federal Highway Administration, Office of Research, Development, and Technology, Washington, D.C.

A summary of experimental concrete pavements in New York. Final report.

Federal Highway Administration, Office of Research, Development, and Technology, Washington, D.C.

Movable concrete median barrier: risk analysis of deflection into opposing traffic.

Federal Highway Administration, Office of Research, Development, and Technology, Washington, D.C.

Performance of two ice-retardant overlays. Final report.

Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.