Warning signs
Two Way Traffic sign
The one way road or divided highway you are on is about to carry traffic in both directions.
- Diamond
- Yellow
- MUTCD W6-3
How to recognize it
Shape and background first
ShapeDiamonda diamond stood on its point
BackgroundYellowyellow, the warning color
FamilyWarning signsFederal designation W6-3 in the MUTCD.
Federal designation W6-3 in the MUTCD, the national standard every state signs to.
What the MUTCD specifies
Designation: W6-3
MUTCD Section 2C.51
Conventional road size: 36 x 36 in
Source: Federal Highway Administration, MUTCD 11th Edition (December 2023), Part 2, Table 2C-1, verified 2026-09-26.
On the test
What the test wants you to know
The mistake people make
This is the end of a divided section. The practical consequence is that passing now means using a lane that oncoming traffic is using, which is where head on crashes come from.
Same family
