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Ex post evaluation of PPP government-led renegotiations: Impacts on the financing of road infrastructure
Published in The Engineering Economist, 2019
Carlos Fernandes, Carlos Oliveira Cruz, Filipe Moura
Technical issues associated with toll collection—After several years of evaluating different options, the government chose a multilane free-flow system. It was designed and developed to provide an exclusively electronic and barrier-free toll charging system. The system allows electronic toll collection based on dedicated short-range communications technology through a transponder placed inside the vehicle that is activated each time the vehicle passes a roadside sensor. The system also allows video tolling for the collection of tolls from vehicles not equipped with the transponder, based on the automatic reading of license plates.