As and when pavements experience a loss of serviceability engineers attempt to restore them by carrying out appropriate Maintenance and Rehabilitation (M&R) alternatives. For a given set of … [Read more...] about The Effect of Incorporating Road User Costs During Construction on Pavement Management Decisions
Construction Sites
Capacity for North Carolina Freeway Work Zones
Work zone capacity values for rural and urban freeways without continuous frontage roads were defined and determined. Data were collected using Nu-Metrics counters and classifiers at 24 work zones in … [Read more...] about Capacity for North Carolina Freeway Work Zones
Detailed Study of Accident Experience in Construction and Maintenance Zones
The objective of this study was to identify means by which improved traffic control can improve traffic safety in work zones. The accident data base (1982-86) was derived from the coded information … [Read more...] about Detailed Study of Accident Experience in Construction and Maintenance Zones
Recommended Practices for Use of Traffic Barrier and Control Treatments for Restricted Work Zones
Many construction projects require the use of traffic barriers to adequately protect the motoring public and construction workers. Geometric and operational restrictions in these work zones frequently … [Read more...] about Recommended Practices for Use of Traffic Barrier and Control Treatments for Restricted Work Zones
Updated Capacity Values for Short-Term Freeway Work Zone Lane Closures
Recommendations on estimating the capacities of short-term freeway work zone lane closures are presented. The recommendations are based on 45 hr of capacity counts at 33 work zones in Texas between … [Read more...] about Updated Capacity Values for Short-Term Freeway Work Zone Lane Closures
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