An ETC sea change.

Author(s)
Furnes, P.J. & Lende, R.
Year
Abstract

This article describes the technology used in multi-lane electronic toll collection systems, with particular reference to the Norwegian Q-Free system. Multi-lane systems must be reliable and effective without requiring barriers to traffic flow. Two outcomes to avoid are a vehicle passing without payment and incorrect enforcement. The overall system architecture comprises a set of subsystems with dedicated tasks for handling passing on-board units and vehicles. Co-ordination between the subsystems is essential. Data transmission is by dedicated short-range communications: the Q-Free system is compatible with several charging protocols in Europe and elsewhere. Detection and classification of vehicles must be highly accurate: sensor systems operate with cameras using infrared technology for licence plate recognition even in low light conditions. For the covering abstract see ITRD E118381.

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Publication

Library number
C 26011 (In: C 26000) /73 / ITRD E118392
Source

In: Traffic technology international 2003 : the 2003 international review of advanced traffic management, p. 78-82

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