Possible Clues:

• Is that twice as much a traffic offence?
• That's a fine thing to be doing with your car
• Lend me your ear! And I will speak of the clumsy monarch who needed twice as many golf strokes as his opponents, for he was the ..
• Dubious practice by motorist in the course of shopping?
• Action of a thoughtless motorist that copper takes to heart?
• Where one stopped vehicle obstructs another
• Motoring offence evident in Tipperary?
• Putting oneself in position for a ticket, in a way (2 words)
• Creation of road block perhaps very quietly reviewed