Samenvatting
The primary objective of the European Advanced Transport Telematics (ATT) project QUO VADIS is to establish how Variable Message Signs (VMS) are best managed to give high quality information and guidance to drivers and to improve the capacity of a road network. Three alternative methods (selection from a plan library, automatic control, and expert system) for the real-time VMS control based on detector measurements are outlined along with some practical issues related to their application to two networks in Scotland and Denmark respectively. (A)