Boat services crossing the Chao Phraya River in 12 other routes will be adjusted by 50 satang, he added.
The fuel price structure includes between 17.01 and 21 baht per litre; between 21.0 and 25 baht per litre; between 25.01 and 29 baht per litre; and between 29.01 and 33 baht per litre.
Passenger boat services in Khlong Saen Saep which run between Wat Sriboonreuang and Phan Fa Lilat Bridge will also be adjusted by one baht based on fuel price structures.