The train driver involved in the deadly Bangkok train-bus collision that killed eight people and injured dozens has failed a preliminary drug test, as investigators continue examining the cause of the crash at one of the capital’s most dangerous rail crossings.
Get today's headlines by email ![]()
Police confirmed on May 17 that Mr Sayomporn, 46, the train driver involved in the collision at the Makkasan railway crossing near the Rama 9 - Asoke-Phetchaburi intersection, tested positive in an initial urine screening. Officers quietly escorted him to Makkasan Police Station for further questioning after charges had already been filed earlier in the day.

The crash occurred at approximately 3.40pm on May 16 when a train collided with a Bangkok Mass Transit Authority bus at the railway crossing in Ratchathewi district, Bangkok. Eight people were killed and at least 35 others injured in the collision, which has triggered renewed scrutiny over railway safety procedures and traffic management at busy urban crossings.
Transport officials later revealed findings from the train’s black box investigation. Siripong Angkasakulkiat, Deputy Transport Minister, said the train had been travelling at 35 kilometres per hour before the impact and that the driver activated the emergency brake around 100 metres before the collision point.
Siripong said the braking distance appeared unusually short given the weight of the train and the circumstances surrounding the emergency stop. He added that investigators would examine the actions of railway signal operators, train personnel and overall operating procedures to determine whether established safety protocols had been followed.
Prime Minister and Interior Minister Anutin Charnvirakul said authorities should avoid drawing premature conclusions while the investigation remains ongoing. Speaking after visiting victims at Camillian Hospital on May 17, he said both the Rama 9 - Asoke-Phetchaburi crossing and the nearby Phetchaburi-Nana intersection required urgent safety reviews to prevent similar tragedies.
Anutin said he had instructed the State Railway of Thailand to review safety systems because relying solely on the judgement of station masters or signal staff was unacceptable. He said possible long-term solutions could include route adjustments or tunnel construction at dangerous railway crossings across Bangkok.
Amarin reported that authorities are also coordinating compensation for victims and their families through the State Railway of Thailand, the BMTA and insurance providers. Investigators are expected to continue examining evidence, including black box data and staff procedures, as transport agencies review railway crossing safety measures nationwide.

Pictures courtesy of Amarin
Related stories
Bus-hit-by-train-near-Rama-9-bursts-into-flames
PM-visits-Makkasan-rail-crash-site
Adapted by ASEAN Now Amarin 18 May 2026
Recommended Comments
Create an account or sign in to comment