Related Clues:

• Some urban lines
• High-level transit
• Some railway systems
• Right-angle shapes
• City cars
• 2002 champion at 62-Across
• Trains over the road
• Letters after kays
• Urban rail systems
• Urban vehicles
• Cars for hire
• Pro golfer Ernie
• Mass transit choices
• 'The Big Easy' of golf
• Two-time U.S. Open winner Ernie