| Answer | Crossword Clue |
|---|---|
| ROUTES | Certain lines on maps |
| ISOBARS | Lines on certain maps |
| ISOBARS | Lines on weather maps |
| STREETS | Lines on some maps |
| LATS | Lines on maps: Abbr. |
| ISOTHERMS | Temperature lines on maps. |
| ISOBARS | Lines on weather maps. |
| STREETS | Lines on city maps |
| HWYS | Heavy lines on maps: Abbr. |
| RDS | Lines on city maps: Abbr. |
| STS | Lines on some maps: Abbr. |
| RDS | Lines on some maps: Abbr. |
| RRS | Lines on some maps: Abbr. |
| RTES | Lines on A.A.A. maps |
