Transport authorities will curb the number of tuk-tuks on the roads as a recent increase is affecting quality controls on the iconic three-wheel passenger vehicles.

Tuk-tuks need "birth control," said Land Transport Department director-general, Sanit Phromsathit, after learning their numbers in Bangkok have risen to more than 9,000.

Mr Sanit said the department considered this as excessive, and made it hard to supervise their operations.....

Government to cull tuk-tuks | Bangkok Post: news