For example, 451,251 passengers used the Blue electric rail line per trip (a 38% increase) while the Airport Rail Link saw 68,903 passengers using its free service per trip (a 25.61% increase). A total of 857,878 passengers also used the BTS Green LIne per trip, or a 46.07% increase, Mr Pichiet said.

Smog levels are soaring in Bangkok, prompting city officials to take measures including making public transport free of charge for a week. Most forms of public transport can be used free of charge from Saturday until January 31,