Regulatory, Lane & Parking Signs
You see this sign at the start of a street. What does it mean?
- AWatch for trucks that may enter the road ahead.
- BTrucks must keep to the right-hand lane.
- CTruck parking is available ahead.
- DTrucks may not use this road.
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Correct answer: D. Trucks may not use this road.
Why
A black truck under a red circle and slash means trucks may not use this road. Truck drivers must take another route. Other vehicles may still use it. A plaque below the sign, such as EXCEPT LOCAL DELIVERY, can allow some trucks. A yellow diamond with a truck symbol is different: it warns that trucks may enter or cross the road ahead.
Why the other answers are not correct
- A. That warning uses a yellow diamond with a truck symbol; a red circle and slash prohibit.
- B. Lane rules for trucks use word signs; this symbol keeps trucks off the road.
- C. Truck parking is shown on a blue service sign; this sign excludes trucks.
Verified against Manual on Uniform Traffic Control Devices for Streets and Highways, 11th Edition with Revision 1 · Section 2B.45 Selective Exclusion Signs and Plaques · p. 148, 149
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