Work zones include advance warning area, transition area, and activity area. The geometric, traffic control aspects, traffic operations, and driver’s maneuverability differ within each work zone area. … [Read more...] about Risk Factors Affecting Crash Injury Severity by Work Zone Area
Traffic Regulations
Work Zone Free Flow Speed Calculation Issues in HCM 2016
Capacity and free flow speed (FFS) are the two most important traffic characteristics that determine traffic flow conditions in work zones. Work zone capacity and FFS are also important because they … [Read more...] about Work Zone Free Flow Speed Calculation Issues in HCM 2016
Amtrak Didn’t Heed Work-Zone Speed Advice Before Fatal Crash
After two track workers were killed five months ago, U.S. safety investigators urged Amtrak to slow its trains when they pass work crews. But Amtrak failed to follow the safety recommendations. … [Read more...] about Amtrak Didn’t Heed Work-Zone Speed Advice Before Fatal Crash
Increasing Speed Limit Compliance in Motorway Work Zones: A Human System Integration Approach
Speeding in motorway work zones lowers the perceived safety of road workers and increases the accident risks of traffic participants. In a work zone, traffic participants share the road with road … [Read more...] about Increasing Speed Limit Compliance in Motorway Work Zones: A Human System Integration Approach
Proposed Bill Would Give MassDOT Power to Enforce Speed Limits for Road Work Areas
There were more than 390 work zone crashes in Massachusetts in 2016. A proposed Massachusetts bill will authorize MassDOT to set a reduced speed limit in construction zones or other hazardous areas. … [Read more...] about Proposed Bill Would Give MassDOT Power to Enforce Speed Limits for Road Work Areas
Impacts of Night-Time Work-Zone Speed Restrictions on Freeway Speed Characteristics: A Case Study on Edmonton, Canada
Freeway work zone is considered as a potentially hazardous zone, which asks for special speed restriction to provide a relatively safe environment for road users and workers. However, the efficacy of … [Read more...] about Impacts of Night-Time Work-Zone Speed Restrictions on Freeway Speed Characteristics: A Case Study on Edmonton, Canada