Research problem statements freeway operations

Manylion Llyfryddiaeth
Awdur Corfforaethol:	National Research Council (U.S.). Transportation Research Board. Freeway Operations Committee
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	Washington, D.C. Transportation Research Board, National Academy of Sciences 1983.
Cyfres:	Transportation Research Circular Number 251
Pynciau:	Express highways > Communication systems > Research.