Regulatory signs
Keep Right sign
Pass to the right of the island, median or obstruction ahead.
- Tall rectangle
- White
- MUTCD R4-7
How to recognize it
Shape and background first
ShapeTall rectanglea tall rectangle
BackgroundWhitewhite, the standard background for a rule you must obey
FamilyRegulatory signsFederal designation R4-7 in the MUTCD.
Federal designation R4-7 in the MUTCD, the national standard every state signs to.
What the MUTCD specifies
Designation: R4-7
MUTCD Section 2B.39
Conventional road size: 24 x 30 in
Guidance: Use a KEEP RIGHT sign when drivers might not readily see that they must pass to the right of a roadway feature.
Source: Federal Highway Administration, MUTCD 11th Edition (December 2023), Part 2, Table 2B-1; Section 2B.39, verified 2026-09-26.
On the test
What the test wants you to know
The mistake people make
It appears where a road splits around something solid. The test version of this question usually pairs it with a divided highway sign to check that you understand which side of an obstruction to take.