The magnitude of the effect of adverse weather conditions on road operational performance varies with the type of weather condition and the road characteristics of the road links and adjacent links. … [Read more...] about Effect of Weather Events on Travel Time Reliability and Crash Occurrence
Crashes
Data-Driven Work Zone Process Reviews Case Study: Virginia Department of Transportation
Federal regulations in 23 CFR part 630 subpart J require State highway agencies to conduct a Work Zone Process Review (WZPR) every 2 years to evaluate work zone processes and procedures, as well as … [Read more...] about Data-Driven Work Zone Process Reviews Case Study: Virginia Department of Transportation
Request for Comment; Draft Model Minimum Uniform Crash Criteria (MMUCC) Guideline, Sixth Edition
The Model Minimum Uniform Crash Criteria (MMUCC) provides States a guideline for describing crashes involving motor vehicles in-transport to generate the information necessary to improve traffic … [Read more...] about Request for Comment; Draft Model Minimum Uniform Crash Criteria (MMUCC) Guideline, Sixth Edition
Statement by Assistant Secretary for Occupational Safety, Health on 2021 Census of Fatal Occupational Injuries
The U.S. Department of Labor’s Assistant Secretary for Occupational Safety and Health Doug Parker issued a statement regarding the release by the Bureau of Labor Statistics of its 2021 Census of Fatal … [Read more...] about Statement by Assistant Secretary for Occupational Safety, Health on 2021 Census of Fatal Occupational Injuries
National Harmonisation of Temporary Traffic Management Practice: Benefit–Cost Analysis
This report details an economic evaluation of Austroads’s proposal for national harmonisation of temporary traffic management practice. The study used a breakeven analysis to estimate the reduction in … [Read more...] about National Harmonisation of Temporary Traffic Management Practice: Benefit–Cost Analysis