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types of vehicle types of trips network length naturę of the road network urban environments short stretches of roads extension of the network ch an ges to th e sch eme ru les interaction with otherschemesand interoperability chan ges to tariffs
introduction of different account types maturity of the technology availability of the technology suitability for charging suitability for enforcement safeguard person al data location accuracy billingaccuracy vehicle detection minimize congestlon manage pollution
OBU costs, road-side equipment back Office
enforcement operations an affordable tariff generate revenue
frequency of trips by foreign vehicles technical and operational risk risk allocation Capital and operating costs cost-benefit analysis maintenance and operations costs otifying and educating prospective users functioning of distribution network ETS provider national/local legislation