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FasTrak is the electronic toll collection (ETC) system used in the state of California in the United States. The system is used statewide on all of the toll roads, toll bridges, and high-occupancy toll lanes along the California Freeway and Expressway System. As with other ETC systems, FasTrak is designed to eliminate the need for cars to stop to pay at toll booths, thus decreasing the traffic congestion traditionally associated with toll roads. Its use of technology to improve transit is in line with the U.S. Department of Transportation's Intelligent Transportation Systems initiative. Under California's government structure, the state's toll facilities are operated by various agencies and special-purpose districts. Concerned that they would each introduce different, incompatible ETC systems, the California State Legislature passed Senate Bill 1523 in 1990, requiring the California Department of Transportation (Caltrans) to develop a statewide specification that all these toll agencies were required to meet.〔 Three years later, Transportation Corridor Agencies opened the Foothill Toll Road in Orange County, implementing the statewide ETC system for the first time, and naming it FasTrak. The state continues to delegate the responsibility of selling and maintaining FasTrak accounts to the different toll agencies. ==Operations and functionality== Under California law, the California Department of Transportation (Caltrans) was given the mandate to develop and maintain an open, statewide ETC specification. This specification is known in the transportation industry as "Title 21" after it was added to Title 21 of the ''California Code of Regulations''. FasTrak uses RFID technology near 915 MHz to read data from a transponder placed in a vehicle (usually mounted by Velcro strips to the windshield) moving at speeds that may exceed 70 mph (112 km/h). The RFID transponder in each vehicle is associated with a prepaid debit account; each time the vehicle passes underneath a toll collection site, the account is debited to pay the toll. Currently, FasTrak transponders are not compatible with E-ZPass and other ETC systems used in other states because they use a different specification than Title 21. If a vehicle does not have a transponder, or if a transponder is not detected at the Toll Plaza, a Violation Enforcement System triggers cameras that take photos of the vehicle and its license plate for processing. If the license plate is registered as belonging to a FasTrak user, the account is debited only the toll charge, and no penalty is charged. This is a backup in case a transponder fails to read. Otherwise, a toll violation notice is sent to the registered owner of the vehicle.〔(【引用サイトリンク】url= https://www.bayareafastrak.org/en/support/faqs.shtml )〕 In the case of drivers whose vehicles are company owned or leased, as long as the vehicle license plates are not properly listed, the violations will be sent to the registered owner and not the employee driver. It is for this reason that the License Agreement mandates that customers list all vehicles, including motorcycles, motor homes, and trailers of all types on their accounts so that when transponders fail to read the toll can be debited based upon the vehicle's license plate. A license plate may be listed only on one account. A toll collected based on a license plate is called an Image Toll and can be identified on the customer statement by noticing the license plate number listed instead of the transponder number. If one fails to correctly list license plates on their account, the FasTrak customer will receive toll violation notices as if they were another driver. Conversely, a license plate should be removed from an account after a change in ownership. Failure to do so may result in paying for another driver's tolls via the Image Toll process. 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「FasTrak」の詳細全文を読む スポンサード リンク
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