Warning, Construction & Information Signs
A yellow diamond sign shows two black arrows that point in opposite directions, with a narrow island shape between them at the top. What does this sign warn you about?

- AThe median ends ahead, and both directions share one road
- BA divided highway with a median begins ahead
- CA crossroad ahead, where traffic may enter from both sides
- DTwo lanes ahead merge into one lane
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Correct answer: B. A divided highway with a median begins ahead
Why
This Divided Highway sign warns that a section of highway begins where a median or other barrier separates the two directions of traffic. Stay to the right of the median and keep to your side of the road. The Divided Highway Ends sign looks similar but warns that the median ends and two-way traffic on one roadway is ahead.
Why the other answers are not correct
- A. Wrong: that is the message of the Divided Highway Ends sign, which warns of two-way traffic ahead.
- C. Wrong: this sign is used on a section of highway, not at an intersection; a crossroad has its own Cross Road sign.
- D. Wrong: lanes that join are shown by a Merge or Lane Ends sign; this sign shows two directions of traffic that a median separates.
Verified against Manual on Uniform Traffic Control Devices for Streets and Highways, 11th Edition with Revision 1 · Section 2C.20 Divided Highway Sign (W6-1) · p. 211
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