Related Clues:

• Checkpoint board arranged with added security feature
• Legal cap on drivers
• Any faster might generate a fine simple diet to be cooked
• Driving restriction
• Fine results maybe after exceeding this sort of simple diet
• It's reason to slow down for drug control
• Broad changes to security device for barrier
• By stepping on it, you might break it
• By the way there's a cap on the uppers
• Obstruction on highway to prevent escape of a fugitive
• Unusually broad forward creating obstruction, in a way
• Barrier to progress en route
• Jam is for The Cars at the bar
• Barrier out of line stopping back door moving
• Police barrier catches a bold criminal in possession of precious stone