The driver was arrested after failing a roadside drug test.
Gardaí have uncovered €6,000 worth of drugs after stopping a driver speeding in Laois.
The woman was detected travelling at 148kph on the M7 on Tuesday evening.
She was arrested after failing a roadside drug test.
The car was searched and a small quantity of cannabis herb was recovered, along with €4,500 in suspected cocaine.
A follow-up search, carried out at an address in Tipperary, resulted in the seizure of another €1,500 worth of drugs.
The driver has been charged to appear before Portlaoise District Court.
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