134 resultados para Grade crossing protection systems.


Relevância:

30.00% 30.00%

Publicador:

Resumo:

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

Relevância:

30.00% 30.00%

Publicador:

Resumo:

"This summary (SW-82ts. 1) of a comprehensive report by Ronald A. Perkins was prepared by James E. Delaney."

Relevância:

30.00% 30.00%

Publicador:

Resumo:

"March 1975."

Relevância:

30.00% 30.00%

Publicador:

Resumo:

"This condensation (SW-9c. 1)--is based on the Ralph Stone and Company, Inc., report by the same title."

Relevância:

30.00% 30.00%

Publicador:

Resumo:

Transportation Department, Joint Program Office for Intelligent Transportation Systems, Washington, D.C.

Relevância:

30.00% 30.00%

Publicador:

Resumo:

"October 1980."

Relevância:

30.00% 30.00%

Publicador:

Resumo:

National Highway Traffic Safety Administration, Office of Vehicle Safety Compliance, Washington, D.C.

Relevância:

30.00% 30.00%

Publicador:

Resumo:

Mode of access: Internet.

Relevância:

30.00% 30.00%

Publicador:

Resumo:

"Contract number 68-C9-0033 and Cooperative Agreement number CR-816862."

Relevância:

30.00% 30.00%

Publicador:

Resumo:

Federal solid waste management programs contract no. 68-03-0097.