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Via Verde (literally "Green Lane") is an electronic toll collection system used in Portugal since 1991. It is available at all toll roads and bridges in the country since 1995. Toll roads and bridges are operated by multiple operators, the main being (Brisa ) Brisa - Auto-estradas de Portugal. Upon passing in a non-stop lane at a toll, a DSRC tag attached to the vehicle's windshield transmits its identifier and the toll amount is debited directly from the client's bank account. If an exception is detected (the tag is invalid (or non-existent) or the vehicle's class (as detected by the lane sensors) does not correspond to the class encoded in the tag, amongst others) the vehicle is photographed and, if there is indication of fraud, a legal procedure is initiated. This system provides for a good flow of traffic: usually the non-stop lanes on interchanges have a 40 or 60 km/h speed limit, tolls on the highway (as in between different tolling regions) have a 120 km/h speed limit, and the system has been proven to work at speeds above 200 km/h (which are obviously unsafe, especially on narrow non-stop lanes). The Via Verde system was the first to be universally applied to all the tolls in a country. Via Verde has gained widespread use in Portugal mainly because it can operate with any bank in the country, as there is a fully integrated cross-bank network (the SIBS network). ==Vehicle Classes== Via Verde/toll works with classes for the various vehicles (see (Brisa classes ) for details). • Class 1: vehicles with a height (measured vertically at the first axis) that are below 1,10m, with or without trailer. *Motorcycles are considered class 1 in case of manual toll collection or class 5 when using Via Verde. • Class 2: vehicles with two axes and a height (measured vertically at the first axis) equal or above 1,10 m. • Class 3: vehicles with three axes and a height (measured vertically at the first axis) equal or above 1,10 m. • Class 4: vehicles with more than three axes and a height (measured vertically at the first axis) equal or above 1,10 m. Some Class 2 cars are eligible for a class reduction. This is applicable for Class 2 cars that comply to certain rules (see (IMTT ) for details). In general a car has to comply to the next rules: 1100≤h<1300mm (measured vertically at the first axis), 2300 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Via Verde」の詳細全文を読む スポンサード リンク
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