This paper presents two examples of the use of variable message signs (VMS) to provide solutions to traffic problems. VMS was used in an accident reduction scheme at the A64/A1 interchange in Yorkshire. The problems that required attention are examined and the scheme developed outlined. The effectiveness of the scheme so far which includes a reduction in injury accidents from 11 to 4, is discussed. In the second application VMS was used within a driver information system, the Forth Estuary Driver Information Control System (FEDICS). The monitoring of the impact of FEDICS is described and the results obtained in the first 6 months are discussed. This includes an assessement of traffic diversion and individual driver questionnaires.
Abstract