Related Clues:
- B&O and D&RGW
- Commuter lines on tracks: Abbr.
- Monopoly has four Abbr.:
- They run North-South in N.Y.C.
- Reading and the like: Abbr.
- Indiana and Illinois, in Monopoly: Abbr.
- Transp. systems
- Freight cos.
- Monopoly quartet (Abbr.)
- B&O and Union Pacific
- Fifth and Mad.
- Lexington and others, in N.Y.C.
- Cos. with locomotives
- C&O and B&O
- Urban rtes.