It runs along a fixed route.

公交的线路是固定的。

youdao

There is no fixed route to follow, just worlds to discover.

这里没有固定的路线，只有待发现的世界。

youdao

Liner sails in the fixed route between fixed ports and sends sailing information in advance.

班轮在固定港口之间按固定航线航行，并提前发送信息。

youdao

He said he did not want his officers to feel "pushed down the route" of issuing a fixed penalty notice, "if there's a better resolution to be had which will better address the needs of the victims and the community - and crucially stop the offending".

BBC: North Wales Police chief to step up restorative justice

It would also reduce interest costs on their alternative--switching to a fixed-rate mortgage--provided they can still go that route.

FORBES: Magazine Article