Urban freeway gridlock study :
technical report /
Cambridge Systematics, Inc. with JHK & Associates, Roberts Associates, Inc., Sydec, Inc. ; prepared for California Department of Transportation.

APA Citation

California. Department of Transportation., Cambridge Systematics. (1988). Urban freeway gridlock study: technical report. [Sacramento?]: The Dept..

MLA Citation

California. Department of Transportation, and Cambridge Systematics. Urban Freeway Gridlock Study: Technical Report. [Sacramento?]: The Dept., 1988.

Warning: These citations may not always be complete (especially for serials).