Related Clues:
- B.&O. et al.
- Southern Pacific and others: Abbr.
- Penn Sta. traffic
- Four Monopoly properties: Abbr.
- Blvd. crossers
- B.&O. and Reading, e.g.: Abbr.
- Some Monopoly purchases: Abbr.
- 17 Monopoly props.
- Union Pacific et al.: Abbr.
- Monopoly foursome: Abbr.
- They have Xings
- $200 purchases: Abbr.
- They're numbered in NYC
- His, in old Rome
- Monopoly quartet: Abbr.