Related Clues:

• What an express often whizzes by: Abbr
• Itinerary abbr
• Union Sq., e.g
• Station, abbr
• Police HQ
• Stop on a bus rte
• MTA stop
• Amtrak stop: abbr
• Train stop: Abbr
• Grand Central, e.g.: Abbr
• Subway stop (Abbr.)
• Bullet-catching place?: Abbr
• Subway stop: Abbr
• Train depot, for short
• Union, e.g.: Abbr