A WOMAN spotted driving erratically on the M6 was twice over the legal drink drive limit, say police.

North West Motorway Police became suspicious when they spotted her driving erratically along the motorway near to Knutsford this evening.

A police spokesman said: "A patrol monitored the driving before stopping the car in the services. The female driver blew twice over the legal limit. Now off to custody."

Motorists are warned never to put lives at risk by drinking and driving.