Automatic vehicle identification for heavy vehicle monitoring

Describes the current status of research and development efforts into automatic vehicle identification being undertaken as part of the US Heavy Vehicle Electronic Licence Plate (HELP) programme. The programme is aimed at investigating and developing an integrated heavy vehicle monitoring and management system, combining automatic vehicle identification (AVI), weigh-in-motion and automatic vehicle classification technologies with a networked data communications and processing system, comprising roadside stations linked to regional and central computers. The paper concentrates on the development of an AVI system specification for HELP