This paper reports part of a larger study conducted in Norway about speed choice at roadworks. The method utilized was four videos of real work zones. One urban road and one rural road were filmed at … [Read more...] about Advantages and Challenges of a Video-Based Experiment to Investigate Drivers’ Speed Choice at Work Zones
Speed Limits
Update to Issues Report for Interstate Speed Changes
Currently, the Oregon Department of Transportation is investigating the potential for increasing the truck speed limit from 55 to 60 mph in segments where the current speed limit is 65 for cars/light … [Read more...] about Update to Issues Report for Interstate Speed Changes
Variable Speed Limit Signs: Control and Setting Locations in Freeway Work Zones
Variable Speed Limit Sign (VSLS) Systems enable speed limits to be changed dynamically in response to traffic conditions so that traffic incidents can be reduced significantly on freeway work zones. … [Read more...] about Variable Speed Limit Signs: Control and Setting Locations in Freeway Work Zones
Speed Behaviour in Work Zone Crossovers. A Driving Simulator Study
Reductions in speed and, more critically, in speed variability between vehicles are considered an important factor to reduce crash risk in work zones. This study was designed to evaluate in a virtual … [Read more...] about Speed Behaviour in Work Zone Crossovers. A Driving Simulator Study
Setting Work Zone Speed Limits
Increasing travel demands and an aging highway infrastructure drive the need for extensive construction, maintenance, and utility work zones. The introduction of work zone environments creates risks … [Read more...] about Setting Work Zone Speed Limits
Impact of Advisory Signs on Vehicle Speeds in Highway Nighttime Paving Project Work Zones
Pavement preservation projects typically require construction workers to conduct their work in close proximity to ongoing traffic. During paving operations, workers are located within a protected work … [Read more...] about Impact of Advisory Signs on Vehicle Speeds in Highway Nighttime Paving Project Work Zones