I drove and drove on main roads and side roads for the next few days and never saw a single one.

在接下来的几天里，我在主路和辅路上持续地开着车，但一直没看到一个人。

youdao

Often these methods only covered main roads.

而这些方法往往只涉及的主要道路。

youdao

It took them a long time to salt the main roads.

他们花了好长时间才在主要公路上撒上盐。

youdao

So many cars are on the main road that the cars on the side roads cannot enter.

VOA: special.2009.10.13

On Sunday, crowds of protesters blocked main roads, isolating Dhaka from other parts of the country.

BBC: Clashes over Bangladesh protest leave 27 dead

Most buses operated normal services on Saturday although First only ran on main roads.

BBC: Norfolk's icy roads: Firefighters rescue crash driver

Gritting crews in Wiltshire are continuing to salt the main roads as the cold weather continues.

BBC: Wiltshire snow: Gritting teams remain at work