Transportation safety information report, July, August, and September 1977. Final report.

Transportation Department, Office of the Assistant Secretary for Environment, Safety, and Consumer Affairs, Washington, D.C.

Transportation safety information report, October, November, and December 1977 and annual summary. Final report.

Transportation Department, Office of the Assistant Secretary for Policy and International Affairs, Washington, D.C.

Transportation safety information report. Third quarter, 1985.

Transportation Department, Washington, D.C.

Transportation safety information report. 1985 annual summary.

Transportation Department, Washington, D.C.

Transportation safety information report. Second quarter, 1986.

Transportation Department, Washington, D.C.

Transportation safety information report. Third quarter, 1986.

Transportation Department, Washington, D.C.

Transportation safety information report. 1986 annual summary. Final report.

Transportation Department, Washington, D.C.

A comparative analysis of urban transportation requirements, volume I. Final report.

Federal Highway Administration, Washington, D.C.

A comparative analysis of urban transportation requirements, volume II. Final report.

Federal Highway Administration, Washington, D.C.

A study of state programs for rail-highway grade crossing improvements. Final report.

Federal Railroad Administration, Office of Policy and Program Development, Washington, D.C.

Transportation safety information report, July, August, and September 1978. Final report.

Transportation Department, Office of the Assistant Secretary for Policy and International Affairs, Washington, D.C.

Transportation safety information report, January, February and March 1979. Final report.

Transportation Department, Office of the Assistant Secretary for Policy and International Affairs, Washington, D.C.

Transportation safety information report, April, May, and June 1979. Final report.

Transportation Department, Office of the Assistant Secretary for Policy and International Affairs, Washington, D.C.

Transportation safety information report. 1980 annual summary. Final report.

Transportation Department, Washington, D.C.

Transportation safety information report. 1981 annual summary. Final report.

Transportation Department, Washington, D.C.