Related Clues:
- Chicago Loop trains
- Overhead railroads
- Legal extremes?
- Old N.Y.C. lines
- '97 PGA champ Ernie
- Golfer who won the 1991 Southern Africa Tour
- Loop circlers
- Ernie of 7-Down
- Dallas centers?
- Trains over streets
- Phila. transit
- Ballad center?
- Urban trains
- Choices for Chicago commuters
- They have cars that people drive under