More and more roadway projects are conducted during nighttime to satisfy heavy travelling demands in the daytime. However, the Nighttime Roadway Work (NRW) produces several safety problems. As a … [Read more...] about Speed Characteristics and Safety Risk Level Evaluation for Nighttime Roadway Work Area
Risk Management
Tree-Based Logistic Regression Approach for Work Zone Casualty Risk Assessment
This study presents a tree-based logistic regression approach to assessing work zone casualty risk, which is defined as the probability of a vehicle occupant being killed or injured in a work zone … [Read more...] about Tree-Based Logistic Regression Approach for Work Zone Casualty Risk Assessment
Identification and Assessment of Risks Involved in Operations and Maintenance Activities on Highways: Crash Data Analysis and Development of Severity-Frequency Lists
Mobile operations and highway maintenance work is among the riskiest activities of state highway agencies. Over the past ten years 1,300 fatal-major crashes occurred in Iowa due to mobile operations. … [Read more...] about Identification and Assessment of Risks Involved in Operations and Maintenance Activities on Highways: Crash Data Analysis and Development of Severity-Frequency Lists
Road Safety at Work Zones
The focus of this thematic report is improving safety for both employees and road users in relation to work zone areas on and adjacent to roads. The report sets the context by outlining the nature and … [Read more...] about Road Safety at Work Zones
A Probabilistic Quantitative Risk Assessment Model for the Long-Term Work Zone Crashes
Work zones especially long-term work zones increase traffic conflicts and cause safety problems. Proper casualty risk assessment for a work zone is of importance for both traffic safety engineers and … [Read more...] about A Probabilistic Quantitative Risk Assessment Model for the Long-Term Work Zone Crashes
Analyzing Highway Work Zone Crashes and Traffic Control Effectiveness
Work zones on the United States highway system create an inevitable disruption to regular traffic flows and have resulted in traffic safety problems. Systematically investigating work zone crashes is … [Read more...] about Analyzing Highway Work Zone Crashes and Traffic Control Effectiveness