Related Clues:
- High-speed roadway
- ... and how to get there?
- Expressway
- German expressway
- He reached his peak in 1806
- Eponymous Southwest explorer
- Most of I-76 across Pennsylvania
- Peak sighter Zebulon
- Explorer Zebulon
- Major route
- Cologne debut of 1931
- Main route
- German road
- Diving maneuver or freshwater fish
- Main route?