| Answer | Crossword Clue |
|---|---|
| RRS | Union Pacific and others: abbr. |
| RRS | Central Pacific, Southern Pacific, and Union Pacific (abbr.) |
| STAS | Union and others: Abbr. |
| RRS | Southern Pacific and others: Abbr. |
| RRS | Union Pacific et al.: Abbr. |
| STA | Union Pacific or Greyhound stop (abbr.) |
