Roads and Trains

The answers to the questions above are as follows:

1. b (return)

2. c (inspector)

3. a (puncture)

4. d (indicate)

5. b (overtaking)

6. d (lights)

7. d (headlights)

8. c (windscreen)

9. b (crossing)

10. b (main)

11. a (space)

12. b (speed limit)