%0 Book %A Transportation Research Board %A Transportation Research Board %T Crash Reduction Factors for Traffic Engineering and Intelligent Transportation System (ITS) Improvements: State-of-Knowledge Report %D 2005 %U https://nap.nationalacademies.org/catalog/13561/crash-reduction-factors-for-traffic-engineering-and-intelligent-transportation-system-its-improvements-state-of-knowledge-report %> https://nap.nationalacademies.org/catalog/13561/crash-reduction-factors-for-traffic-engineering-and-intelligent-transportation-system-its-improvements-state-of-knowledge-report %I The National Academies Press %C Washington, DC %G English %K Transportation and Infrastructure %P 32 %R doi:10.17226/13561 %X TRB's National Cooperative Highway Research Program (NCHRP) Research Results Digest 299--Crash Reduction Factors for Traffic Engineering and Intelligent Transportation System (ITS) Improvements: State-of-Knowledge Report summarizes the current status of crash reduction factors for a variety of treatments and provides a summary of the "best available" crash reduction factors. The report also reviews the relationship between NCHRP Project 17-25, "Crash Reduction Factors for Traffic Engineering and ITS Improvements," and other ongoing research studies that are either documenting or developing additional crash reduction factors.