| Answer | Crossword Clue |
|---|---|
| SEALANE | Main route? |
| AUTOBAHN | Main route? |
| ARTERIAL | Main route |
| PIKE | Main route |
| HIGHWAY | Main route |
| ARTERY | Main route |
| TRUNKLINE | Main railway route. |
| SIDEWAY | Not a main route |
| ARTERIAL | Main, as a route |
| ASEA | En route on the main |
| ALT | Not the main route: Abbr. |
| SHIPPINGLANE | Main route on the main (with an up-front charge) |
