Highway work zones reduce available lanes for traffic, form traffic bottlenecks, and cause traffic delays and congestion. The additional travel time and effort involved in changing driving maneuvers … [Read more...] about A Model for Estimating Excess User Costs at Highway Work Zones
Traffic Congestion
Indiana Lane Merge System for Work Zones on Rural Freeways
The Indiana Department of Transportation and Purdue University have been investigating and implementing a novel traffic control system at two-lane freeway work zone entries to reduce the number of … [Read more...] about Indiana Lane Merge System for Work Zones on Rural Freeways
Surveillance and Delay Advisory System
This report documents the development and testing of a Surveillance and Delay Advisory System (SDAS) for application in congested rural areas. SDAS included several techniques that could be used on … [Read more...] about Surveillance and Delay Advisory System
A Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications
Road works present a special challenge to both the driver and the traffic engineer. Work zone accident statistics attest to the need for safety improvements. One way traffic engineers have attempted … [Read more...] about A Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications
Modification of QUEWZ Model to Estimate Fuel Costs and Tailpipe Emissions
Traffic congestion created by urban highway construction and rehabilitation activity imposes substantial cost burdens on highway users. In their attempts to quantify and predict such costs, … [Read more...] about Modification of QUEWZ Model to Estimate Fuel Costs and Tailpipe Emissions