The conclusion states that by diverting commercial traffic, the resulting decrease in traffic will lead to decrease in accident rates.
D and E are close. But nowhere is it hinted that accidents are caused by the commercial vehicles or commercial vehicles are necessarily "involved" in accidents or accident rates have commercial vehicles involved in the majority of them. Hence, E.
D and E are close. But nowhere is it hinted that accidents are caused by the commercial vehicles or commercial vehicles are necessarily "involved" in accidents or accident rates have commercial vehicles involved in the majority of them. Hence, E.






