Across
- 4. return
- 7. first class
- 9. relaxing
- 11. exciting
- 13. fast
- 14. ticket
- 15. boat
- 16. noisy
- 19. platform
- 21. stop
Down
- 1. second class
- 2. ticket office
- 3. dangerous
- 5. seat
- 6. uncomfortable
- 8. safe
- 10. free
- 12. station
- 17. taken
- 18. to change
- 20. single