DictionarydetourAlternative course
noun / verb

detour

DEE-toor/ˈdiːtʊr/

A temporary departure from the usual or planned course.

The detour curves around the roadworks and rejoins the road.

An elevated view of a road closed by temporary barriers around an open repair trench, with a clearly connected bypass curving around the closure and rejoining the same road beyond it.
Etymology

The pieces mean “turn aside,” the central idea behind a side road or roundabout way. A temporary detour applies that same idea to a route that leaves the usual course to bypass a blockage.

In context

Caltrans District 40:10
During the closure, motorists should use the following detour routes. Detours using I-280 are strongly recommended to help avoid delays.
U.S. 101 Full Closure | Sept. 18 - 21 | San Francisco Detour Alert

More examples

  • They detoured through the village.
  • Several detours slowed the trip.
  • She is detouring around the closure.

Forms

detour · detours · detoured · detouring

Similar words

diversion
An alternative route, or attention drawn elsewhere.
bypass
A route around an obstacle, sometimes permanent.