A technique for showing running time by sections for a tollway includes: a unit toll collector installed at a unit toll gate of a tollway for calculating a running time of vehicles leaving the unit toll gate for each entrance toll gate; indicators installed at main points of the tollway for indicating...http://www.google.fr/patents/US6078895?utm_source=gb-gplus-shareBrevet US6078895 - Technique for showing running time by sections on tollway
Technique for showing running time by sections on tollway
