Patent ID: 7818204
Filing Date: 2010-10-19
Classification: G07B,G08G

Abstract:
1. A method comprising the steps of: monitoring at least one traffic congestion parameter of a roadway, the roadway including a plurality of road segments each having a respective road tariff and a respective air quality sensor, the congestion parameter comprising air quality, and the monitoring step comprising a traffic control server periodically receiving air quality measurements for each said road segment from the air quality sensors; the traffic control server dynamically adjusting the road tariff for one of the plurality of road segments in accordance with the associated air quality measurement wherein the adjusting comprises increasing the road tariff for the one road segment in accordance with a decrease in the associated air quality, thus yielding an adjusted road tariff; the traffic control server receiving from a wireless positioning transceiver associated with a vehicle traveling on the roadway an indication of a current position thereof; and based on the received current position indication, the traffic control server transmitting to the wireless positioning transceiver the adjusted road tariff as the vehicle approaches the one road segment, the wireless positioning transceiver including one of a display and a speaker for providing a notification of the adjusted road tariff as the vehicle approaches the one road segment.