US Road Signs Test
Detour Ahead Road Sign
ConstructionW20-2

Detour Ahead Road Sign Meaning

Official Meaning

Warns that the regular route is closed and a detour has been established. Drivers must follow the temporary route marked by detour signs to return to their original path.

The Detour Ahead sign is a critical part of the US traffic control system, classified under the Construction category.

Shape

Diamond

Color

Orange

Required Driver Action

When you encounter the Detour Ahead sign, you must immediately adjust your driving behavior according to the construction regulations. Failure to comply with this sign can result in traffic citations, points on your license, or dangerous road conditions.

Why the Detour Ahead Sign Matters

Understanding the Detour Ahead sign is essential for passing your DMV written test and for safe daily driving. This sign is standardized across the United States to ensure that drivers from any state can recognize and respond to it instantly.

Its specific diamond shape and orange color are designed to be recognizable even in poor visibility conditions, such as heavy rain, fog, or at night. This visual consistency is a key safety feature of the Manual on Uniform Traffic Control Devices (MUTCD).

Common DMV Test Questions

QWhat should you do when you see a Detour Ahead sign?

You must follow the specific instruction: warns that the regular route is closed and a detour has been established. drivers must follow the temporary route marked by detour signs to return to their original path.

QWhat category does the Detour Ahead sign belong to?

It is classified as a Construction sign.

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Sign Specs

MUTCD CodeW20-2
Standard ColorOrange
Standard ShapeDiamond

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