In recent years, federal and state-level policies on work zone mobility have placed an emphasis on performance monitoring of significant freeway work zones. With new requirements for assessing work … [Read more...] about Estimating Work Zone Capacity from Point Sensors: Challenges and Lessons Learned
Data Collection
Decision Tree–Based Model for Estimation of Work Zone Capacity
The ability to accurately estimate work zone capacity is imperative, as it is a key input to estimate queue length and traffic delay at work zone. This paper thus aims to develop a decision tree-based … [Read more...] about Decision Tree–Based Model for Estimation of Work Zone Capacity
Work Zone Performance Measures Pilot Test
One of the challenges state Departments of Transportation (DOTs) are facing is to determine how to best measure and track safety and mobility impacts associated with highway work zones. This report … [Read more...] about Work Zone Performance Measures Pilot Test
Domestic Scan of Work Zone Assessment, Data Collection and Performance Measurement Practices
In March 2010, Federal Highway Administration and the American Association of State Highway and Transportation Officials conducted a domestic scan looking at how 14 State agencies are planning for, … [Read more...] about Domestic Scan of Work Zone Assessment, Data Collection and Performance Measurement Practices
Best Practices in Work Zone Assessment, Data Collection, and Performance Evaluation
Current federal regulations (23 CFR 630 Subpart J) encourage states to collect and analyze both safety and mobility data to support the initiation and enhancement of agency-level processes and … [Read more...] about Best Practices in Work Zone Assessment, Data Collection, and Performance Evaluation
Work Zone Analysis Guide
The Federal Highway Administration’s Rule on Work Zone Safety and Mobility, 23 CFR 620 Subpart J, requires every state to identify methods of improving roadway safety and mobility in and around the … [Read more...] about Work Zone Analysis Guide