A woman on a mobility scooter took a wrong turn and found herself on a dual carriage way, tootling along at five to ten miles per hour.
The disabled pensioner was spotted by shocked drivers in the left hand lane of the A12 in Essex. Drivers were seen swerving to avoid her, before police intervened and escorted the woman back to safety, via a rolling road block.
Eye-witness Jay Butler, said: "She was seemingly completely oblivious, like she was off to do her shopping.
"It looked like several people had to take action to avoid her.
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"To be fair, it is not what you expect to find in front of you on a fast road. She was pretty lucky not to get hurt.
"The danger was that people couldn't see her once she was behind another vehicle, so for anyone joining the carriageway it was incredibly dangerous.
"I first saw her as I drew close the Stanway turn off and she was still travelling along the road after I had passed her.
"I could see her in my rear-view mirror and traffic was starting to build up around and behind her when I finally lost sight.
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"She must have been on there a good while afterwards too as there were no police in sight for a while.
"I did see a few people having to brake hard and swerve coming off the slip road entrance onto the A12, as they were obviously speeding up to join the motorway when they almost ran into the back of her."
Fortunately, no one was injured and Essex police took to Twitter to apologise for the hold-up and inconvenience caused, saying: "Vulnerable female took wrong turn onto A12 at Marks Tey - the team had to put in a rolling road block and escort her to safety - sorry if you were slightly delayed."
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Under the UK Highway Code class 3 mobility scooters, such as this one, should be used on pavements, where possible and if they do need to use a dual carriage way they should use a 'flashing amber beacon'. It probably goes without saying, but they are strictly forbidden on motorways.
Featured Image Credit: SWNS