R. Kent Gilbert, Steve E. Underwood, Leo E. DeFrain
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DIRECT: A comparison of alternative driver information systems
The Michigan Department of Transportation (MDOT) recently initiated a three-year program named DIRECT, which stands for Driver Information Radio Experimenting with Communication Technologies. The DIRECT Project has been designed specifically to test, in an operational setting, alternative driver-information systems. DIRECT is being undertaken as a national IVHS operational field test and is funded through a public/ private partnership between FHWA (50%), MDOT (25%), and several automobile and electronic component manufacturers (25%). This paper describes the system, starting from the initial decisions on the project concept through the physical and experimental design concepts.