The objective of this report is to provide the Kentucky Department of Transportation Cabinent a reliable approach to quantifying / calculating "Road User Cost" -- often refered to as total user delay … [Read more...] about The Cost of Construction Delays and Traffic Control for Life-Cycle Cost Analysis of Pavements
Traffic Characteristics
Influence of Heavy Vehicles on Traffic Flow in Freeway Work Zones
The proportion of heavy vehicles is very high on Chinese highways. Slowly moving heavy vehicles cause additional delay in a work zone especially when there is only one open lane in the work zone. In … [Read more...] about Influence of Heavy Vehicles on Traffic Flow in Freeway Work Zones
Pavement Resurfacing Intervals in Work Zone Optimization
Lane closures for highway resurfacing involve some intricate tradeoffs between the maintenance cost to highway agencies and the costs of delays and disruptions to motorists. Careful optimization of … [Read more...] about Pavement Resurfacing Intervals in Work Zone Optimization
Evaluation of Speed Limits in Kentucky
The objectives of this study were to examine current criteria and procedures used for setting speed limits on public roads and to recommend appropriate speed limits for various types of roadways. The … [Read more...] about Evaluation of Speed Limits in Kentucky
Speed Change Distribution of Vehicles in a Highway Work Zone
In response to roadway geometry and traffic control devices, motorists may change their speeds within a work zone. Speed profile data for 102 automobiles (cars and vans) and 49 trucks, which traveled … [Read more...] about Speed Change Distribution of Vehicles in a Highway Work Zone