Is a “restricted vehicle” permitted to use a road in which the following traffic sign is placed?

- Yes, driving at a minimum speed of 55 k.p.h.
- No.· Correct answer
- Yes, driving at a maximum speed of 55 k.p.h.
- Yes, on a freeway only.

Sign 218 indicates a road for motor vehicles travelling at a minimum speed. A slow vehicle, which by its nature cannot travel at the required minimum speed, is not permitted on this road because it would disrupt the flow of traffic and endanger safety.
Minimum-speed road = a slow vehicle cannot
Thinking a slow vehicle may join if it drives fast enough.
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