| Answer | Crossword Clue |
|---|---|
| MTS | They're on the horizon: Abbr. |
| RDS | They're driven on: Abbr. |
| RTES | They're numbered on maps (abbr.) |
| RTES | They're marked on maps: Abbr. |
| STS | They're found on city maps (abbr.) |
| NCOS | They're often seen on base: Abbr. |
| WTS | They're shown on product packages: Abbr. |
| VATS | They're not imposed on zero-rated goods: Abbr. |
