A driver has been arrested following a compliance check as part of Operation Austrans at Tailem Bend yesterday, according to SA Police.
Just before 6.30pm on Monday 4 December, police from the Heavy Vehicle Enforcement Section stopped the driver of a B-double as he was traveling along the Princes Highway.
Police will allege the man was not carrying and maintaining a work diary.
The man was drug tested and returned a positive result to methamphetamine.
Police also conducted a search of the prime mover and located a speed limiter override device fitted and secreted near the engine. These devices can enable a truck to travel greater than 100km/h.
Further enquiries revealed the driver was disqualified.
The 25-year-old from country Victoria was charged with drive disqualified, fail carry work diary and possess speed limiter override device.
The man may also face a further charge of drug driving pending forensic analysis of the drug sample.
He has been bailed to appear in the Murray Bridge Magistrates Court on 5 February.