What effect does work activity have on traffic conditions in a work zone? This question has still not been answered satisfactorily in practice. Without knowing the true effect a work activity has on … [Read more...] about Understanding the Impacts of Work Zone Activities on Traffic Flow Characteristics
Iowa State University
Traffic Impact Assessment of Moving Work Zone Operations
Road maintenance activities involve both short-term stationary work zones and moving work zones. Moving work zones typically involve striping, sweeping, pothole filling, shoulder repairs, and other … [Read more...] about Traffic Impact Assessment of Moving Work Zone Operations
Evaluation of Alternative Work Zone Signing
Many work zones require lane closures, and road users need to be notified of these closures through appropriate upstream signage. A literature review prepared for this study found several previous … [Read more...] about Evaluation of Alternative Work Zone Signing
Best Practices for Managing Work Zone Data
This work investigated methods and best practices that agencies use to manage work zone data. Information gathered from the survey includes types of data collected, methods used for data collection, … [Read more...] about Best Practices for Managing Work Zone Data
Small City Work Zone Sign Package Program Implementation
The ability to acquire and set up work zone related devices that are in compliance with the 2012 revisions to the 2009 Manual on Uniform Traffic Control Devices (MUTCD) can sometimes be difficult for … [Read more...] about Small City Work Zone Sign Package Program Implementation
Field Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging Operations
Limited-scale field measurements were collected to quantify the impact of two temporary rumble strip (TRS) layouts at two different two-lane roadway construction projects in Iowa. The field work was … [Read more...] about Field Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging Operations