Related Clues

• A mile a minute
• Nearing retirement age, maybe
• Highest score achievable by a single dart in darts
• It's often done on highways
• Five dozen
• Mile-a-minute speed
• Threescore
• Maximum number of marbles at play in a Chinese checkers game
• Limit, at times
• Just passing
• The new 40, they say
• Speed limit, at times
• Highest score possible with a single dart
• Retirement age, for some
• Posted speed, in places
• Babe Ruth mark broken by Roger Maris
• Base of the Babylonian number system
• The smallest number divisible by the numbers 1 to 6
• Speed limit, sometimes
• NWT, AKA North of ______