Traffic jam is a big problem for many people who use a car.The main cause has 4 proplem. the first is trespass a lane for stall. the second is the problem of expanding about public utility and traffic surface. the third is buses
these could make the delay of transpotation, as it is a necessary thing and no one could avoid this problem.everybody has his own way to solve this problem.such as go to work or school by bts,use bypass,get out of home early.so these is effect to have a good life.