Related Clues:

• Two-time U.S. Open winner Ernie
• Letters before ems
• Tall golfer Ernie
• High lines
• The Big Easy
• Ways around Chi-town
• Cars over the road
• ''Toddling Town'' trains
• High carriers
• Chi-town trains
• Some monorails
• Golfer whose surname is often mispronounced
• Commuter options
• Chicago Loop trains
• Overhead railroads