Related Clues:

• Rattling trains
• Trains to the Loop
• Certain letter-shaped tracks
• See 26-Down
• U.S. Open champ Ernie
• Loop loopers
• High rollers?
• Chicago sights
• Ernie of the P.G.A.
• Overhead trains
• N.Y.C. sights beginning in the 1870's
• '... or ___!'
• Woods rival
• Urban trains, for short
• Level ends?