A woman driver has been arrested on the M6 in Lancashire after alarmed motorists alerted police.
Lancs Road Police tweeted tonight that a woman was in custody after blowing three times the legal driving limit when stopped.
The incident is said to have happened between Lancaster and Galgate.
Police tweeted: "M6 southbound J34/33 following multiple reports of drink driver.
"Mazda 6 is seen to collide with signage and then carry on!
"Car trashed but still moving!!!
"Car stopped by PS 3029 where female disqualified driver blew 129!!
"Absolutely disgusting... off to cells!"