The State of Oregon is in the process of developing a decision model which will be used to improve the decisionmaking process concerning daytime versus nighttime construction and maintenance … [Read more...] about Factors of Importance for Determining Daytime versus Nighttime Operations in Oregon
Traffic Congestion
Upgrading Work-Zone Safety: Real-time Traffic Information Helps Notify Motorists of Upcoming Work Zones
Almost a decade ago, the FHWA launched a joint program with all 50 states to develop technology to demonstrate the feasibility of providing real-time traffic information to motorists approaching work … [Read more...] about Upgrading Work-Zone Safety: Real-time Traffic Information Helps Notify Motorists of Upcoming Work Zones
Proposed Work Zone Regulations to Improve Safety, Mobility
The combination of heavier traffic volumes occurring on road networks with more work zones increases the impacts of those work zones on both congestion and safety. To address these impacts, the … [Read more...] about Proposed Work Zone Regulations to Improve Safety, Mobility
Advance Warning of Stopped Traffic on Freeways: Current Practices and Field Studies of Queue Propagation Speeds
A major safety concern on freeways is traffic flowing at normal speed encountering unexpected slow or stopped traffic. Traffic can be queued due to recurrent congestion, work zones, or collisions … [Read more...] about Advance Warning of Stopped Traffic on Freeways: Current Practices and Field Studies of Queue Propagation Speeds
Improving Efficiency of INDOT Traffic Data Collection Using GPS Devices
INDOT has utilized many new technologies to reduce travel delay, mitigate traffic congestion, and enhance public and employees' safety. Many projects are underway, including re-timing of most existing … [Read more...] about Improving Efficiency of INDOT Traffic Data Collection Using GPS Devices
1991 Transportation Engineering Research Reports
The engineering research reports in this document resulted from the second year of the Undergraduate Transportation Engineering Fellows Program during the summer of 1991. The ten-week program, … [Read more...] about 1991 Transportation Engineering Research Reports