Traffic management for freeway emergencies and special events

Manylion Llyfryddiaeth
Awduron Corfforaethol:	National Research Council (U.S.). Transportation Research Board, Conference on Traffic Management and Planning for Freeway Emergencies and Special Events
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington, D. C. Transportation Research Board, National Research Council 1989.
Cyfres:	Transportation Research Circular Number 344
Pynciau:	Traffic safety > Research. Traffic accidents. Traffic flow. Traffic congestion.