Tasmania Police is asking motorists to exercise greater caution on the state's roads after two drivers were clocked at high speed on Thursday.
At 11.10am on the Midland Highway, a 62-year-old man driving a red V8 Holden Commodore was detected speeding at 150km/h about 2.5-kilometres north of Epping Forest in a 110km/h zone.
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He was fined $731 and six demerit points, and disqualified from driving for three months.
A bit more than an hour later, a 25-year-old man driving a white Ford Falcon was detected 55km/h over the speed limits at 165km/h about four-kilometres north of Campbell Town.
He was fined $989 and six demerit points, and disqualified from driving for four months.
Sergeant Terry Reaney said it was timely to remind all motorists to slow down and drive to the speed limit.
"Speeding is one of the fatal five contributing factors to fatal and serious injury crashes on our roads," Sergeant Reaney said.
"I urge all motorists to drive to the speed limit and not put themselves and others at unnecessary risk by speeding."