This paper addresses the state of domestic technical developments in the five components of Intelligent Vehicle Highway Systems (IVHS): Advanced Traffic Management Systems (ATMS), Advanced Traveler Information Systems (ATIS), Advanced Vehicle Control Systems (AVCS), Commercial Vehicle Operations (CVO), and Advanced Public Transportation Systems (APTS). Each component and current operational tests are briefly described. Particular emphasis is given to three current large-scale operational field tests (Pathfinder, TravTek, ADVANCE) to illustrate the integration of the IVHS components.
This paper begins with a brief description of the Advanced Vehicle Control Systems (AVCS) component of the Intelligent VehiclelHighway Sytems (IVHS) program. It describes the AVCS goals and plans which, if implemented, could vastly increase highway capacity and safety. This paper continues with a description of the latest work at the National Institute of Standards and Technology (NIST) a n d Florida Atlantic University (FAU) on applying vision-based technology to autonomous driving. This work is co-sponsored by the IVHS R e s e a r c h Division of the F e d e r a l Highway Administration and the Robot Systems Division a t NIST.The testbed vehicle, a US Army HMMWV, equipment with a real-time vehicle mobility control system, has performed autonomous road following on a test course at speeds of up to 90 km/bour under various weather and outdoor light conditions. This paper describes the vision processing a n d control algorithms used and the conditions under which the vehicle has been tested. This paper ends with a brief description of the next phase of development, already in progress.
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