This webinar provides an introduction to work zone crash modification factors (CMFs). It is geared toward engineers and practitioners working for local and State Departments of Transportation (DOTs) … [Read more...] about Introduction to Work Zone Crash Modification Factors
Mathematics
Estimating the Safety Effects of Work Zone Characteristics and Countermeasures: A Guidebook
TRB's National Cooperative Highway Research Program (NCHRP) Research Report 869: Estimating the Safety Effects of Work Zone Characteristics and Countermeasures: A Guidebook provides practitioners who … [Read more...] about Estimating the Safety Effects of Work Zone Characteristics and Countermeasures: A Guidebook
Effects of Stationary Work Zones on Motorway Crashes
The empirical Bayes (EB) before-and-after method was applied in this study in order to evaluate the change in the expected crash frequencies associated with the installation of work zones on … [Read more...] about Effects of Stationary Work Zones on Motorway Crashes
Development and Application of Work Zone Crash Modification Factors
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
Use of Empirical Bayesian Methods to Estimate Crash Modification Factors for Daytime Versus Nighttime Work Zones
Many studies have been conducted to estimate the traffic safety impacts of roadway construction. Overall, the results of the analyses have varied widely, a variance traditionally attributed to … [Read more...] about Use of Empirical Bayesian Methods to Estimate Crash Modification Factors for Daytime Versus Nighttime Work Zones