| Answer | Crossword Clue |
|---|---|
| RAPIDTRANSIT | Subway system, e.g. |
| STILE | Subway entrance, e.g. |
| MURAL | Subway artwork, e.g. |
| FARE | Subway token, e.g. |
| SYST | Subway, e.g.: Abbr. |
| PDA | Making out on the subway, e.g., for short |
| REGIMEN | Exercise system, e.g. |
| ALPS | European mountain system, e.g. |
| LOCATOR | Global positioning system, e.g. |
| ONBOARDCOMPUTER | Satellite navigation system, e.g. |
| CAPITALISM | U.S. economic system, e.g. |
| SCHWA | The "e" sound in "system," e.g. |
| PAGE | Summon via a P.A. system, e.g. |
| BLARE | Sound over a subway's public address system, e.g. |
