Heavy trucks banned
The Highways Department will ban all trailer trucks weighing more than 50.5 tonnes from main roads. The regulation will take effect from July 1.
Department director-general Chatchawal Boonjaroenkij said on May 17 that trucks with 20, 22 or 24 wheels that exceed the weight limit will be barred from all motorways, national highways and concession highways to prevent road surface damage.
The weight limit for trailer trucks is part of efforts to help maintain the condition of the country’s highways, Chatchawal said.