Related Clues:

• Turntable speed meas.
• Letters on a speeding ticket
• Music edition of 'Trivial Pursuit'
• Speed measure
• Speedometer fig.
• Speeding ticket stat
• Turntable stat
• NASCAR measure
• Radar-gun meas.
• Auto speed abbr.
• Car speed abbr.
• No. on the dashboard
• Limit letters
• Speed measure, briefly
• It's picked up by radar, briefly