The Oregon DOT (ODOT) has recently begun to emphasize the importance of mobility during construction. New procedures have been created to help manage mobility on a statewide basis, including the devel… More
Montana, as stated in its Work Zone Safety and Mobility draft, plans to measure work zone performance based on the following criteria: -Reduce work zone crashes and fatalities directly attributable to… More
Michigan is in the process of developing policies in relation to the FHWA Final Rule. In examining and measuring work zone performance, one of the items the state is looking at is expanding the use of… More
The D.C. Department of Public Works has periodic inspections conducted to ensure compliance of work zone plans. Adjustments in work zone traffic plans may be made to alleviate traffic concerns. More
Ohio establishes its method for measuring work zone performance in the state's "Traffic Management in Work Zones Interstate and Other Freeways" policy (dated July 18, 2000). Ohio has been approved to… More
In New Hampshire, by evaluating a database of hourly traffic counts, a determination is made of when lane closures are prohibited. In certain cases where traffic information is unavailable, a statemen… More
Nevada DOT requires 20/30 minute specification, i.e. 20 minutes stop time for the first car with 30 minute total delay time (includes driving time) through a work zone. This limits work zone lengths t… More
In Texas, portable trailer-mounted closed circuit television (CCTV), portable changeable message signs (CMS), portable highway advisory radio (HAR), and portable traffic signals are used to reduce del… More
Oregon DOT works at night when traffic analysis shows that work zone lane capacity is insufficient to handle the demand. It has improved traffic movement using alternate routes and detours and encoura… More
Resource Type: Books, Reports, Papers, and Research Articles
This study investigates the effects of traffic management strategies on performance of a work zone along arterial roads. The strategies included Temporary Access Control (TAC), Limitation of Heavy Veh…More
North Carolina obtains actual traffic count data to establish work/non-work periods, restricts construction hauling operations during peak hours, provides for normal travel lane widths whenever possib… More
Wisconsin schedules the work and any lane closures to avoid peak traffic periods when feasible (e.g. avoid AM/PM peaks on commuter routes, avoid special events and weekends on routes with heavy touris… More
Illinois DOT is looking at measurements for work zone performance based on the following: 1. Delays caused by work zones shall not exceed more than 5 minutes per mile with a maximum of 30 minutes abov… More
The Ohio DOT Maintenance of Traffic (MOT) policy applies to all individuals who plan and perform work on interstate highways and freeways. It requires practitioners to coordinate construction activiti… More
West Virginia installs "Possible Delays" or "Major Delays" signs along mainline and side road entrances to areas where delay is probable, and notifies the media. More
On major metropolitan projects, Minnesota has used the SMART WORKZONE. A portable system of cameras and changeable message signs connected to a command center monitors traffic congestion (using AUTOS… More
Puerto Rico has used different techniques. a) In urban areas traffic signals have been reprogrammed using historic and actual data on the area of the project. b) In some cases reversible lanes are pre… More
Kansas limits pilot car operations to 15 minutes or less round trip. Incentive/disincentive clauses are used to encourage early project completion. More
Indiana DOT employed incident response wreckers full- and part-time in work zones to reduce the impact of highway incidents. It has an advance traveler information system in place that is controlled b… More
Georgia sets up a Transportation Control Center to operate/monitor the changeable message signs, radar speed/count stations, and closed circuit TV cameras deployed. More
On high-volume roadways, Illinois has used public awareness campaigns in an effort to encourage drivers to take other routes. They are experimenting with a video detection system to alert communicati… More