Q #131 - What does this sign mean?
This sign is shown where slow-moving vehicles would impede the flow of traffic; for example, in tunnels. However, if you need to slow down or even stop to avoid an incident or potential collision, you should do so.
| Service area 30 miles ahead | |
| Maximum speed 30 mph | |
| Minimum speed 30 mph | |
| Lay-by 30 miles ahead |
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