Effects of hours of service regularity of schedules, and cargo loading on truck and bus driver fatigue. Final report.

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

A summary of SD: ASAP efforts and their impact on highway safety. Final report.

National Highway Traffic Safety Administration, Office of Driver and Pedestrian Programs, Washington, D.C.

A study of clearance intervals, flashing operation, and left-turn phasing at traffic signals. Volume 1: sumary report. Final report.

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

A study of clearance intervals, flashing operation, and left-turn phasing at traffic signals. Volume 2: clearance intervals. Final report.

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

A study of clearance intervals, flashing operation, and left-turn phasing at traffic signals. Volume 3: flashing operation. Final report.

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

A survey of public attitudes toward the S.D. ASAP: baseline period (1971).

Alcohol Safety Action Project--South Dakota, Pierre

Traffic safety in construction zones. Final report.

New Mexico State Highway and Transportation Department, Santa Fe

Development of standards and tests for acceptance of traffic signal lenses. Final report.

Federal Highway Administration, Washington, D.C.

Identification of traffic management problems in work zones. Final report.

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

An evaluation of stop signs used with flashing traffic signals. Final report.

Turner-Fairbank Highway Research Center, McLean, Va.

Impact of motorcycle helmet law repeal in South Dakota, 1976-79: executive sumary. Final report.

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

Impact of motorcycle helmet law repeal in South Dakota, 1976-79. Final report.

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

Feasibility of primary copper smelter weak sulfur dioxide stream control /

Mode of access: Internet.

SD:ASAP analytic study no. 4 - 1976. An analysis of ASAP impact on the judicial system. Interim report.

National Highway Traffic Safety Administration, Office of Driver and Pedestrian Programs, Washington, D.C.

Efficacy of red and yellow turn arrows in traffic signals. Final report.

Federal Highway Administration, Washington, D.C.