A van driver was accused of “weaving between lanes” on the A14 west of Huntingdon due to an alleged “lethal combination" of being exhausted and failing a drugs test.
Police were alerted by the public to track down the man on the A14 at Keyston on Saturday (September 11).
The 42-year-old from Birmingham was arrested on suspicion of drug driving and has been released on bail.
A Cambridgeshire police spokesperson said: “Our road policing unit tracked down the van where they spotted the driver weaving between lanes.
“The driver was exhausted. He admitted working a double shift and failed a roadside drugs test. A potentially lethal combination!
“There's no excuse for putting other road users at risk.
“Remember, if you know a drink or drug driver you can report them and help make our roads safer for everyone. Call our 24/7 dedicated, confidential hotline on 0800 032 0845.”
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