fallbackroad

noun
UK /ˈfɔːlbæk rəʊd/
US /ˈfɔːlbæk roʊd/

A fallbackroad is a backup road you can use if your main road is blocked.

When the highway was closed, we took the fallbackroad through the hills.


OTHER MEANINGS

2. A plan or option you use if your first plan fails.

Studying abroad was my fallbackroad if I didn't get the job.

3. A less important road used only when the main one is busy or closed.

The fallbackroad was narrow but saved us an hour of traffic.

4. A safe, familiar choice you return to when trying something new doesn't work.

After the startup failed, he went back to his fallbackroad of teaching.