Regulatory signs
No Passing Zone sign
The start of a stretch where passing another vehicle is prohibited.
- Pennant
- Yellow
- MUTCD W14-3
How to recognize it
Shape and background first
ShapePennanta sideways pennant
BackgroundYellowyellow, the warning color
FamilyRegulatory signsFederal designation W14-3 in the MUTCD.
Federal designation W14-3 in the MUTCD, the national standard every state signs to.
What the MUTCD specifies
Designation: W14-3
MUTCD Section 2C.53
Conventional road size: 48 x 48 x 36 in
Standard: When used, place the pennant on the left at the beginning of the marked or signed no-passing zone.
Source: Federal Highway Administration, MUTCD 11th Edition (December 2023), Part 2, Table 2C-1; Section 2C.53, verified 2026-09-26.
On the test
What the test wants you to know
The mistake people make
This is the only pennant shaped sign in the system and the only warning colored sign that sits on the left hand side of the road. It marks the beginning of the zone, not the end.