Like other state departments of transportation, the Oregon Department of Transportation (ODOT) has emphasized preservation of existing highways and bridges. Thus, ODOT has done construction and … [Read more...] about Selection Criteria for Using Nighttime Construction and Maintenance Operations: Final Report
Traffic Congestion
Mesoscopic-Wavelet Freeway Work Zone Flow and Congestion Feature Extraction Model
A new mesoscopic-wavelet model is presented for simulating freeway traffic flow patterns and extracting congestion characteristics. A traffic speed-density relationship is introduced with a lane drop … [Read more...] about Mesoscopic-Wavelet Freeway Work Zone Flow and Congestion Feature Extraction Model
Full Road Closure: A Method for Reducing Project Time and Mitigating Work Zone Congestion and Crashes
Transportation agencies are challenged to balance the increasing need for work zones with mobility and safety concerns expressed by the public and government agencies. Full road closure is one method … [Read more...] about Full Road Closure: A Method for Reducing Project Time and Mitigating Work Zone Congestion and Crashes
Report Finds Some Road Construction Projects Not Worth the Wait
A new report finds that motorists can lose more time in road construction delays than they will save in years of driving on the newly "improved" road. The national report, Road Work Ahead: Is … [Read more...] about Report Finds Some Road Construction Projects Not Worth the Wait
Road Work Ahead: Is Construction Worth the Wait?
Road projects are designed to ease traffic congestion by widening or otherwise expanding the capacity of existing roads. But ironically, the construction projects themselves can create significant … [Read more...] about Road Work Ahead: Is Construction Worth the Wait?
ITS Technologies in Work Zones
With the National Highway System essentially complete, and many roads surpassing their useful design life, the focus of roadwork has shifted from new construction to rehabilitating and improving … [Read more...] about ITS Technologies in Work Zones