Feasibility of changeable message signs and highway advisory radio for freeway maintenance. Final report.

Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin

Highway advisory radio user's guide.

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

Systems analysis and design guidelines for highway advisory radio. Executive summary. Final report.

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

Symposium on Biological Effects and Measurement of Radio Frequency/Microwaves : proceedings of a conference held in Rockville, Maryland, February 16-18, 1977/

Includes bibliographical references.

Citizen's band radio safety evaluation project. Volume I - technical summary. Final report.

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