Across
- 2. Discipline behind HS2 design (11)
- 3. Excavated material from tunnelling (5)
- 4. Drilling through earth for tunnels (6)
- 6. Major HS2 destination city (10)
- 8. Birmingham HS2 station (6,6)
- 11. London terminus for HS2 (6)
- 12. Building phase of HS2 (11)
- 16. Steel pathway for trains (4)
- 17. Underground passage for trains (6)
- 18. A trip from A to B (7)
- 20. Stones supporting railway sleepers (7)
- 21. Parliamentary process for HS2 approval (6,4)
- 22. System controlling train movements (10)
- 23. What passengers do on HS2 (6)
Down
- 1. Key London Interchange (3,3,6)
- 2. Concern for nature during construction (12)
- 5. Collective term for railway vehicles (7,5)
- 7. Station for changing trains (11)
- 9. Driving new technology in rail (10)
- 10. Status of HS2 phase 2 (9)
- 13. Key principle for reducing environmental impact (14)
- 14. Where trains run (5)
- 15. The physical framework supporting transport systems (13)
- 19. Planned paths for HS2 trains (6)
- 24. Elevated structure carrying a railway over a valley (7)