In addition to traffic capacity, vehicle speeds and queue-discharge rates at work zones are essential in assessment of work zone traffic delays and user costs. The traffic flow characteristics of … [Read more...] about Traffic Capacity, Speed, and Queue-Discharge Rate of Indiana’s Four-Lane Freeway Work Zones
Highway Capacity
Flow Characteristics at Freeway Work Zones and Increased Deterrent Zones
Traffic-flow characteristics were studied at two work zones on suburban freeways and at a third freeway site where a police patrol car, easily noticed by drivers, was parked on the right shoulder. The … [Read more...] about Flow Characteristics at Freeway Work Zones and Increased Deterrent Zones
Work Zone Simulation Model: Companion Report for “Traffic Management Strategies for Merge Areas in Rural Interstate Work Zones”
To support the analysis of driver behavior at rural freeway work zone lane closure merge points, CTRE staff collected traffic data at merge areas using video image processing technologies. The … [Read more...] about Work Zone Simulation Model: Companion Report for “Traffic Management Strategies for Merge Areas in Rural Interstate Work Zones”
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
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
Determining Capacity and Selecting Appropriate Type of Control at One-Lane Two-Way Construction Sites
The problem of determining the most appropriate type of traffic control at one-lane two-way construction sites (i.e., on two-lane two-way roadways where one lane is temporarily closed for repairs and … [Read more...] about Determining Capacity and Selecting Appropriate Type of Control at One-Lane Two-Way Construction Sites