Crash modification factor (CMF) provides the expected change in crash frequency due to the implementation of a countermeasure or a change in a particular site condition. State and local transportation … [Read more...] about Development and Application of Work Zone Crash Modification Factors
University of Missouri, Columbia
Evaluation of a Freeway Work-zone Advance Speed Advisory System
The Quixote IntelliZone is a work zone speed advisory system. Three mobile count units (which can measure flow, speed, and density) are placed in each lane where queues could form due to the … [Read more...] about Evaluation of a Freeway Work-zone Advance Speed Advisory System