Evaluation of warning and information systems. Part II, commercial radio advisories. Final report.

Federal Highway Administration, Washington, D.C.

Advance traffic control warning systems for maintenance. Final report.

Federal Highway Administration, Baton Rouge, Fla.

Potential means of cost reduction in grade crossings motorist-warning control equipment. Volume II: comparison of solid state and relay devices and techniques. Final report.

Transportation Systems Center, Cambridge, Mass.

Safety aspects of using vehicle hazard warning lights. Volume 1: executive summary. Final report.

Federal Highway Administration, Traffic Systems Division, Washington, D.C.

Safety aspects of using vehicle hazard warning lights. Volume 2. Final report.

Federal Highway Administration, Traffic Systems Division, Washington, D.C.

Safety aspects of using vehicle hazard warning lights. Volume 3: appendixes. Final report.

Federal Highway Administration, Traffic Systems Division, Washington, D.C.

Rail-highway crossing warning device - life cycle cost analysis. Final report.

Federal Railroad Administration, Office of Safety, Washington, D.C.

Innovative concepts and technology for railroad-highway grade crossing motorist warning systems. Vol. I: overview and concept generation and analysis. Final report.

Transportation Systems Center, Cambridge, Mass.

Innovative concepts and technology for railroad-highway grade crossing motorist warning systems. Vol. II: the generation and analysis of alternative concepts. Final report.

Transportation Systems Center, Cambridge, Mass.

Evaluation of techniques for warning of slow-moving vehicles ahead: executive summary. Final report.

Mode of access: Internet.

Effectiveness of audible warning devices on emergency vehicles. Final report.

Transportation Department, Office of Noise Abatement, Washington, D.C.

Potential means of cost reduction in grade crossings motorist-warning control equipment. Volume I: overview, technology survey and relay alternatives. Final report.

Transportation Systems Center, Cambridge, Mass.

A workingman's opinion of the railroad question, the Boston & Maine monopoly a foe to New Hampshire interests : the Hazen Bill should be defeated and the Atherton Bill passed,-- a solemn warning to the legislature.

Caption title.

The ten hours' bill : the history of factory legislation ... since its introduction to Parliament ... to which is appended A warning address to the working-classes / by the Earl of Shaftesbury ; delivered in the town-hall, Manchester, October 6th, 1866.

Mode of access: Internet.

Emergency vehicle warning systems /

"Issued May 1981."