干线

The railway line comes to the airport.

铁道干线直达飞机场。

Vehicles often bunches on the big highways.

在干线公路上, 交通往往十分。

This is the place where the three main arteries of West London traffic met.

就是伦敦西部三条主要交通干线交汇。

The Trans-Canada highway is a federal responsibility.

横跨加拿大交通干线是由联邦政府管。