Related Clues:

• Indy's 500
• Road-map distances
• 'The Thirty-Nine __'
• Jazz great Davis
• Increments
• Household ladder, to Liverpudlians
• Arthur Murray instruction
• Flight features
• Way up or way down
• Assembly-instruction parts
• Progress parts
• Indy 500's 500
• Staircase units
• Odometer count
• You can take them in stride