in a Member State where no coherent network of motorways or dual carriageways with similar characteristics exists in the major part of the State, in that part of the country, but only on roads used for international and interregional heavy goods transport, provided that the traffic demand and population density do not economically justify the construction of motorways or of dual carriageway roads with similar characteristics;

For example, the Commission will examine the existence of other network providers, if any, in the relevant geographic area to determine whether such alternative infrastructures are sufficiently dense to provide competition to the incumbent's network and the extent to which it would be possible for new access providers to enter the market.