According to Yordphol Tanaboriboon (1993), Bangkok has become widely known not only as a center of tourism, commercial, international trade and investment but it is also well known for her severe traffic congestion problems. Bangkok’s severe traffic reputation becomes even more widely pronounce. In fact, everybody seems to become an expert when discussing traffic problems. Not only have they attempted to recommend measures to solve the problems, some even criticized the concerned authorities for not being able to handle the problem as desired.