Related Clues:

• Thoroughfare
• One way to go
• Type of number
• First, second or third, e.g.
• First, second or third
• Course of action
• Way of approach
• Number
• Means of access
• Map line, sometimes
• Madison, for one
• Broad thoroughfare
• Like 'first'
• Fifth or Lexington
• Manhattan's Madison, e.g.