- TUNNEL
- Carpal ____ syndrome
- Mole's work
- Under-way?
- ___ vision
- Feature of Boston's Big Dig
- Subway passage
- Secret passage, perhaps
- ___ of love
- Underground route
- Dig, perhaps
- Bridge alternative
- Surreptitious route
- Illicit vault access
- Prison escape route, perhaps
- Dig
- Gopher's route
- Way under a river
- Mine feature
- Problem for a claustrophobic driver
- After 4 Down, N.Y.- N.J. connector
- Be boring, perhaps
- Miniature-golf obstacle
- Mole's passageway
- Underground passage
- Route through a mountain
- Auto route under a river
- Miniature golf feature
- N. Y.'s newest is at the Battery.
- The Lincoln or Holland.
- Holland or Lincoln.
- Subway.
- Mole hole.
- Engineering feat.
- Sandhog's product
- Holland, for one
- Animal's burrow
- Prison escape route, maybe
- Path for a mole
- Ant farm feature
- Smuggling aid
- Means of escaping prison, maybe
- Subway, basically
- With 86-Across, fixation problem suggested by this puzzle's theme
- See 30-Down
- Bridge-and-___ crowd (Manhattan commuters from outlying areas)
- Escape route in "The Great Escape"
- Method of escape in "The Great Escape"
- Holland or Lincoln, e.g.
- 35-Across' creation
- Escape route
- Really dig?
- Players' entrance in a stadium
- Result of some boring effort
