Check point

This is vosa, vehicle operator services agency,
They are the governing body that oversees the road safety of trucks and truck drivers with in the uk. They have the power to stop vehicles at the roadside and check for maintenance defects and drivers are not exceeding there driving hours.
Yesterday was none uk truck day as a new road tax levy was introduced for foreign trucks over 12 tonnes working in the uk.

Vosa have very high standards to obey, if you break the rules you could be imposed with a heavy fine,vehicle taken of the road or a driving ban.