Many private vehicle uses will cause traffic congestion. When the private car is more and more the quality and service of public transportation the even worse. People even have to struggle to buy private cars are increasing because they escape the bad service on the public transportation. Traffic can always be the topic when talking about social problems. Thousands of people who live in Bangkok cannot deny that they are sick of everyday congestion. There are still many issues of transportation that have not been solved properly. To solve the problem of traffic to achieve success. Improving mass transit, the acceptance of the people of quality and covers an area of mass transit systems that we currently include: The buses are main problem in the quality of the service, but as a mass transit system that can cover larger areas. It be near the residence and workplace of the people, Sky train quality very good but also very little coverage and that is most problematic is horizontal rails and stations built on the Central streets there are two buildings at the side of the road in inner Bangkok, causing air pollution problem sound problem grinding wheel and destroying the landscape of the city, and Subways are very good quality as well, but the problem is not covered by and honorably do area will be able to accelerate the creation of horizontal rails, keep pace with the growth of the city expanded constantly, every single day. Although the streets are all times crowed full with vehicles, some people choose public transportation is better the carpool. Many people should use public transportation because it is created to reduce about the problems of traffic.