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Roadway Operations & Maintenance > Information Dissemination > Internet/Wireless/Phone
Information dissemination technologies such as dynamic message signs or highway advisory radio can be deployed temporarily, or existing systems can be updated periodically to provide information on work zones or other highway maintenance activities. ITS operators may also send this information to in-vehicle devices capable of displaying traveler information.
Illinois DOT implements work zone ITS on the I-64 Add-lane Construction project at a cost of $435,000.(12 September 2005)
Based on a study of 17 states, the majority of work zone ITS cost between $150,000 and $500,000.(12 September 2005)
A real-time work zone traffic control system leased by the Illinois Department of Transportation cost $785,000.(October 2004)
Detailed costs of road weather information systems deployed at several sites north of Spokane, WA.(8 January 2004)
North Carolina DOT leased its first smart work zone system along I-95 near Fayetteville at a cost of $235,000.(3 June 2003)
An evaluation of the Arizona 511 telephone traveler information system found that more than 70 percent of users surveyed were satisfied with the enhanced content provided.(30 September 2005)
In North Carolina, a modeling study indicated that work zone delay messages reduced maximum traffic backups by 56 percent and contributed to 55 percent reduction in traveler delay.(11-15 January 2004.)