The way was blocked, so we went by an alternative road.

那条路被堵住了，所以我们走了另一条路。

youdao

The way was blocked, so we had to go by an alternative road.

这条路被封了，我们不得不走另一条路。

youdao

We returned by an alternative road.

我们是从另一条路回来的。

youdao

The scientists proposed an alternative road running to the south of the park.

BBC: Scientists urge rethink of Serengeti road plans

Driving this alternative road to the famous red-tinged ruins may take longer, but this road's history stretches back to the curtain opening of civilisation.

BBC: Travelling the slow route to Petra

Improving public transport is another frequently proposed alternative to road pricing.

ECONOMIST: Jam today, road pricing tomorrow