Crash reduction factors for traffic engineering and intelligent transportation system (ITS improvements) :
state-of knowledge report.

APA Citation

Harkey, D. L., National Cooperative Highway Research Program., National Research Council (U.S.). Transportation Research Board. (2005). Crash reduction factors for traffic engineering and intelligent transportation system (ITS improvements): state-of knowledge report. Washington, D.C.: Transportation Research Board.

MLA Citation

Harkey, David L, National Cooperative Highway Research Program, and National Research Council (U.S.). Transportation Research Board. Crash Reduction Factors for Traffic Engineering And Intelligent Transportation System (ITS Improvements): State-of Knowledge Report. Washington, D.C.: Transportation Research Board, 2005.