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The Permit Test
Divided Highway Begins (MUTCD W6-1 sign)

Divided Highway Begins

warning sign · diamond · yellow

The road ahead splits around a median. Keep right of the divider.

Visual breakdown
Yellow diamond with two arrows curving around an oval island.
Shape recognition
Diamond with arrows splitting around a center shape — the picture of a median.
Color recognition
Yellow alerts you that road geometry is changing.
Memory trick
Two arrows hugging an island — the road grows a backbone; stay on your side of the spine.
Real-world example
A two-lane road becomes a divided boulevard: left turns now require finding a median opening.
Common mistakes
Drifting left of the median nose at the split, or attempting a left turn across the new median.
Quick recall method
Arrows around island = median starting, keep right.