Across
- 4. Road signal with colors
- 7. Long-distance bus
- 9. Carries many people
- 10. Area to wait for a train
- 11. Be too late for something
- 12. Part of a road
- 13. Many cars stuck
- 14. Big truck
- 17. Checks car speed
- 18. Fast main road
- 21. Place for trains
Down
- 1. Boat for transport
- 2. One-way ticket
- 3. Medium transport vehicle
- 5. Travel regularly to work
- 6. Get onto a plane, train, or ship
- 7. Road accident
- 8. Runs on rails
- 9. Place where buses stop
- 15. City rail vehicle
- 16. Ticket for going and coming back
- 19. Circular road
- 20. Train under the city