on the contrary it focuses only on charging some costs based on the poluter principle only case of highest roads words motorways expressways category
On the contrary, it focuses only on charging for some external costs, based on the 'polluter pays' principle, and only in the case of the highest category roads, in other words, motorways, expressways, category one roads and dual-carriageways.
On the contrary, it focuses only on charging some costs, based on the 'polluter principle, only case of highest roads, words, motorways, expressways, category one roads and dual-carriageways.