Highway pavement maintenance is very expensive not only in terms of costs to the responsible agencies but also in terms of disruptive delays to users. Construction and maintenance activities on … [Read more...] about Optimal Work Zone Lengths for Four-Lane Highways
Construction Sites
Delay Estimation and Optimal Length for Four-Lane Divided Freeway Workzones
Vehicle delay is one of the most serious impacts of highway workzones on existing traffic operations. The present study provides a comprehensive and detailed estimation of traffic delay due to a … [Read more...] about Delay Estimation and Optimal Length for Four-Lane Divided Freeway Workzones
Real-Time Travel in Work Zones Measured
Computer Recognition Systems, Inc. (CRS) has completed the installation of a work zone real-time travel time measurement system for Kiewit Western Company and Arizona Department of Transportation for … [Read more...] about Real-Time Travel in Work Zones Measured
The Next Generation of Technology
Moving forward with its goal of promoting high payoff, innovative technologies that State and local transportation agencies and industry can use, the Technology Implementation Group (TIG) has selected … [Read more...] about The Next Generation of Technology
2 Oregon Police Officers Killed in I-5 Accident
In a devastating incident, two law enforcement officers, Oregon State Police Senior Trooper Maria Mignano and off-duty Albany policeman Jason Hoerauf, were killed, while another officer, OSP Sgt. John … [Read more...] about 2 Oregon Police Officers Killed in I-5 Accident
Evaluation of Arrow Panel Displays for Temporary Work Zones
The Oregon Department of Transportation evaluated the effectiveness of a "sequentially flashing diamond" arrow panel display as advance caution warning in temporary work zones. This display was … [Read more...] about Evaluation of Arrow Panel Displays for Temporary Work Zones