Instead of spending loads of money adding more public transportation options or through carpool promoting marketing campaigns, Bangkok officials have what seems to be a much simpler solution: request a change in working hours from various companies and government-ran organizations, thereby requiring less drivers on the road at any given time.

"Traffic in Bangkok is moving at slower average speeds, around 18 to 19 kph in the morning and 24 to 23kph in the evening," Office of Transport and Traffic Policy and Planning chief Chula Sukmanop said on Wednesday.

Mr Chula said there were then 1,200 more cars being registered each day in the city. They could not move quickly because of the many bottlenecks on various routes, including Phahon Yothin, Phetchaburi and Phetkasem roads, he said.

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