Many Edinburgh M8 and city bypass drivers were caught out by police on Monday after a crackdown on motorists near both major roads.
A number of individuals in cars and larger vehicles were pulled over at the temporary police checkpoint at Hermiston Gait on July 4 to carry out a series of surprise inspections and road checks.
In a warning to other drivers posted on social media, Road Policing Scotland explained they had carried out an operation with the DVSA to check for any unknown defects.
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Pictures taken from the checkpoint showed drivers being directed in for an inspection, where a series of vans were parked to be looked over by officers.
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Sharing that some "dangerous defects" were found during the operation, police said: "#EdinburghRP conducted a joint operation with @DVSA at Hermiston Gait today. Numerous vehicles stopped, with some dangerous defects found #CheckYourTread #TeamWorkMakesTheDreamWork."
However, one driver was caught with more than just a poor tyre tread, after an inspection at the checkpoint discovered cannabis in the vehicle.
Police added: "EdinburghRP stopped a van at a joint road check with @DVSAEnforcement today. Driver arrested after failing a roadside @DrugWipeUK for cannabis. A small quantity of cannabis also found Blood sample obtained and will be sent for analysis"
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