Variable speeds have been used in other states, but the signs are new to Ohio. Two northwest Ohio work zones are the region's first to use electronic signs with changeable speed-limit numbers. … [Read more...] about Speed Signage Goes Electric in Two Area Work Zones
Variable Speed Limit Systems
Synthesis of Variable Speed Limit Signs
Variable speed limit (VSL) systems utilize information on traffic speed, occupancy, and volume detection, weather, and road surface conditions to determine the appropriate speeds at which drivers … [Read more...] about Synthesis of Variable Speed Limit Signs
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
Best Practices for Maximizing Driver Attention to Work Zone Warning Signs
Studies have shown that rear-end crashes in the advance warning area for a work zone are the most common type of work zone crashes. Driver inattention (or distraction) is reported as the most common … [Read more...] about Best Practices for Maximizing Driver Attention to Work Zone Warning Signs
Variable Speed Limit Study Upstream of an Indiana Work Zone With Vehicle Matching
Traffic management in work zones presents significant mobility and safety challenges for agencies. The goals of a work zone traffic management plan are to safely slow vehicles ahead of the work zone, … [Read more...] about Variable Speed Limit Study Upstream of an Indiana Work Zone With Vehicle Matching