Clue | Source | Date |
---|---|---|
Semi-subtle directions lead to tunnels (7) | ||
US Underground trains (7) | ||
Was busy developing systems underground | The Times Cryptic | 24 Jun 2022 |
Transit systems | Thomas Joseph | 14 Jun 2021 |
Pedestrian tunnels | The Times Concise | 21 May 2019 |
Big Apple conveyances | Universal | 15 Dec 2015 |
Big Apple conveyances | ||
Token transports | ||
Token transports | ||
Underground trains | ||
Metro systems | ||
Tubes |