POLICE have been tracking criminals on the West and South Yorkshire border.
Special groups from the Automatic Number Plate Recognition teams in Kirklees and Wakefield swooped on cars in several areas.
The areas included Woolley, West Bretton, Cudworth and Grime- thorpe.
Over the two-day operation 13 people were arrested for alleged offences such as theft, drink-driving and possessing suspected Class A drugs.
Three arrested on suspicion of drink-driving were charged and the others were released on police bail pending further enquiries.
Some 25 people were asked to produce their documents, 29 were given penalty tickets, and 11 were reported for having no insurance.
Ten vehicles worth a total of £28,000 were recovered.
Two of these had been reported as stolen.
A stolen caravan was also recovered.
Sgt Chris Robinson, of the Wakefield team, said: "We have been aware that suspected criminals have been using certain routes to travel between West and South Yorkshire.
"It was those routes we decided to target."