The payment system usually requires users to sign up in advance and load money into a declining-balance account, which is debited each time they pass a toll point.Įlectronic toll lanes may operate alongside conventional toll booths so that drivers who do not have transponders can pay at the booth. The ease of varying the amount of the toll makes it easy to implement road congestion pricing, including for high-occupancy lanes, toll lanes that bypass congestion, and city-wide congestion charges. Electronic tolling is cheaper than a staffed toll booth, reducing transaction costs for government or private road owners. When the vehicle passes a roadside toll reader device, a radio signal from the reader triggers the transponder, which transmits back an identifying number which registers the vehicle's use of the road, and an electronic payment system charges the user the toll.Ī major advantage is the driver does not have to stop, reducing traffic delays. In most systems, vehicles using the system are equipped with an automated radio transponder device. It is a faster alternative which is replacing toll booths, where vehicles must stop and the driver manually pays the toll with cash or a card. Wireless system to automatically collect the usage fee or toll charged to vehiclesĮ-ZPass tollbooths, like this one on the Pennsylvania Turnpike in Bensalem Township, Pennsylvania, use transponders to bill motorists.Įlectronic toll collection ( ETC) is a wireless system to automatically collect the usage fee or toll charged to vehicles using toll roads, HOV lanes, toll bridges, and toll tunnels.
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