1. Slow down?there are speed traps along this stretch of road.

2. Police speed traps are operating on this motorway.

3. The plates are designed to foil police speed traps.

4. Call it the most expensive speed trap in the world.

5. A motorist was unknowingly caught in an automated speed trap that measured his speed using radar and photographed his car.

6. Watch out. There's a speed trap about five miles down the road.

7. However, as they passed a speed trap, he got nailed with an infrared speed detector and was pulled over.

8. But the second ... I wanted to warn you: black ice, low cloud, a speed trap; some hazard.

9. The driver was flashing his lights to warn others of a speed trap.