Two teenagers died when they were hit from behind by a bin lorry in Chalong on Monday.
Sumon Pimchangmai, 35, from Nakhon Si Thammarat was charged following the incident.
The two teenagers were crushed under the weight of the garbage truck as it hit their motorbike from behind.
CCTV revealed that the teenagers were heading north when the had to stop at a junction. The truck, which was behind, simply ploughed into them.
Emergency services arrived to discover nineteen-year-old Potsathorn Chaijaroensup under the wheels of the vehicle. The body of the second person, Panitcha Mingkanitkul, 18, was lying twenty metres away from the bin lorry.
Our thoughts are with the family and friends of the two teenagers.