Low Clearance Advance Sign (W12-2)
The low clearance advance sign is a diamond and its colour is yellow. It is a warning sign: something ahead — a curve, a crossing, a change in the road — needs you to slow down and adjust what you are doing.
At a glance
| Shape | diamond |
|---|---|
| Color | yellow |
| Category | Warning signs |
| MUTCD code | W12-2 |
How the test asks about it
- 1.
Your vehicle is taller than the height shown on this sign. You should:
Not quiteCorrect answer: B — Find another route — the structure ahead will not clear your vehicle
The figure is the lowest clearance of the structure ahead. Anything taller strikes it, and the sign exists because that keeps happening.
Drivers assume the posted figure includes a safety margin and that the centre is always higher. Neither is a safe assumption.
Related signs
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