Your road is closed ahead; the arrow begins a marked temporary route around the closure. Follow the detour signs until they return you to your road.
Take the arrow, then keep following each DETOUR sign at every choice point. The route is signed the whole way; trust the orange over the navigation app, which may not know.
Orange breadcrumbs. Follow every one until the trail hands you back your road.
Leaving the detour early because the phone map "sees a shortcut." The shortcut usually ends at the same closure, from the other side.
Signs that live in the same family, or get confused with this one.
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