According to the official Costain website for the road improvements, over 1000 drivers were prosecuted for speeding through the works in the month of May, and ask drivers to slow down and exercise caution.

The marked van was parked on the bridge facing northbound, although it was unclear whether they were monitoring oncoming southbound or northbound traffic.

It's likely that the van will be in place all day so drivers are urged to take extra notice of speed limits in force, to avoid additions to their driving licence.