Browse Publications Technical Papers 2008-01-1254
2008-04-14

A Vehicle-to-Vehicle Communication Database for Infrastructureless Routing 2008-01-1254

Traffic engineers use time-of-day travel time databases to characterize normal travel times on roads. This information is used by traffic management centers together with information from sensors in the highway to identify problems and to make alternate route recommendations. In this paper, the travel time database concept is extended to a vehicle-to-vehicle communications network for traffic and safety information, wherein the travel time database is generated and stored by vehicles in the network, and used by the vehicles to identify abnormal traffic conditions. This infrastructure-free approach is attractive due to the potential to eliminate highway sensor and sensor maintenance costs, which are major factors that limit the growth of traffic information beyond major roadways in urban regions. Initial work indicates that database storage requirements in the vehicle should be manageable. The database generation process is self-bootstrapping as vehicles share information on roads where they are normally driven with vehicles that are new to these roads.

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