-Responsible for the development of traffic and transport of Bangkok (in cooperation with the Office of transport and traffic, Bangkok).-Measures to regulate the volume of traffic.
- Responsible for the development of transportation and traffic of the city. (In conjunction with the Bureau of Traffic and Transportation Bangkok) - defines the measures to control the amount of traffic.
- responsible for the development of the traffic and transportation of Bangkok. (with the Bureau of traffic and transportation, Bangkok) - measures to control the traffic volume .