In North Carolina, a work zone equipped with smart work zone traveler information systems observed fewer crashes compared to other work zones without the technology.

May 2005
Fayetteville,North Carolina,United States

Summary Information

This report identified several work zone projects where real-time traffic monitoring and traveler information systems were used to improve safety and reduce congestion.

Highlighted results are shown below:

Real-time traffic and alternate route information at work zones.

In May 2002, the North Carolina Department of Transportation (NCDOT) deployed a smart work zone information system to alleviate congestion on I-95 just north of Fayetteville. The system was designed to estimate work zone delay using traffic sensor data and automatically post alternate route information on portable roadside dynamic message signs (DMS) during periods of heavy congestion.

After the system began operating, traffic queues decreased, and NCDOT noted that there were no fatalities associated with this work zone, and fewer crashes compared to previous I-95 projects without this technology.

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Knowing Ahead of Time

Author: Scriba, T.

Correspondence with Mr. Steve Kite North Carolina DOT, 13 February 2007.

Published By: Transportation Management & Engineering

Source Date: May 2005


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Goal Areas



smart work zone systems, smart work zone, smart work zones, Smart work zones, workzone, WZ, Dynamic Message Signs, CMS, VMS, Changeable Message Signs, Variable Message Signs, construction warning signs, Portable Dynamic Message Signs, portable CMS, portable VMS, portable Changeable Message Signs, portable Variable Message Signs, Temporary Dynamic Message Signs, Temporary CMS, Temporary VMS, Temporary Changeable Message Signs, Temporary Variable Message Signs, CCTV, closed circuit television cameras, road monitoring, camera imaging, freeway service patrol, courtesy patrols, highway helpers, freeway service patrols

Benefit ID: 2007-00408