Reduced lighting on freeways during periods of low traffic density. Final report.

Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.

Wide Area Detection System (WADS) - breadboard software description and field test results. Final report.

Federal Highway Administration, Washington, D.C.

Relationships between off-road fixed-object accident rates and roadway elements of urban highways. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Experiment in assessing color separation techniques for identifying small density variations in tires. Interim report.

National Highway Traffic Safety Administration, Research Institute, Washington, D.C.