Challenging puzzle for experienced crossword solvers
Subterranean Transit Tactics Unveiled
Challenging puzzle for experienced crossword solvers
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Across
- 1. Machine carving subterranean pathways through earth
- 2. Crucial system circulating subterranean airflows
- 3. Method controlling train traffic via coded signals
- 6. Central gathering in transit where pathways converge
- 8. Mechanical stairway easing vertical passenger flow
- 10. Storage and maintenance area for underground vehicles
Down
- 4. Conversion enabling trains to run on electricity
- 5. Rails beneath cities often sharing street space
- 7. Safety device preventing conflicting train movements
- 9. Overhead wire curve supplying power to trains
- 11. Process of constructing tunnels below surface
- 12. Where commuters await and board transit vehicles
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