Work zone impact thresholds (Practice)
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
Traffic Delay
Measuring work zone performance (Practice)
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
Improved Work Zone Design Guidelines and Enhanced Model of Travel Delays in Work Zones. Phase I: Portability and Scalability of Interarrival and Service Time Probability Distribution Functions for Different Locations in Ohio and the Establishment of Improved Work Zone Design Guidelines (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The project focuses on two major issues - the improvement of current work zone design practices and an analysis of vehicle interarrival time (IAT) and speed distributions for the development of a digi…MoreMeasuring work zone performance (Practice)
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
D.C. Department of Public Works:Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Measuring work zone performance (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Identifying Methods and Metrics for Evaluating Interagency Coordination in Traffic Incident Management (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
One role of state departments of transportation (DOTs) is traffic incident management (TIM): managing incidents that impact traffic flow on interstate highways and involve multiple agencies (e.g., pol…MoreTraffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Improvement of Highway Work Zone Performance by Traffic Management (Publication)
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…MoreTraffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
Alaska specifies the maximum delay for vehicles waiting on one-lane/two-way work zones and for pilot car operation. More
Measuring work zone performance (Practice)
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
Implementation of a statewide policy to reduce traffic delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
Nebraska uses changeable message signs and restricted work hours. More
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
New Mexico uses advance signing to advise motorists that delays should be expected and a specific alternate route is available. More
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
Utah requires projects in high-traffic areas to be completed at night or on weekends. More
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
Use of alternate routes is encouraged in Iowa. More
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
Kansas limits pilot car operations to 15 minutes or less round trip. Incentive/disincentive clauses are used to encourage early project completion. More
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
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