rat run 
noun British informal
A minor, typically residential street used by drivers during peak periods to avoid congestion on main roads: our road was used as a rat run between two main roads...
- Sapling Road really has become a rat run since the bus lanes were introduced on St Helens Road.
- I live on a complete rat run between the High Road and Acton Lane.
- Householders in Moss Lane, Oswaldtwistle, had tried for years to stop traffic using the road as a rat run to the M65 motorway.
- Black Hundreds
- black ice
- blackie
- Black Indian
- black information
- blacking
- blacking ball
- blacking man
- blacking out
- blacking up
- black Irish
- black ironwood
- blackish
- blackishness
- blackjack
- Black Jew
- Black Joke
- Black, Joseph
- black kale
- black kite
- black knapweed
- black knight
- black knot
- black land
- black larch