It is undeniable that traffic congestion has become a common problem which most cities are facing. Therefore, the officials are finding the potential solutions to mitigate this issue. Among them, some individuals think that investing in city infrastructure is optimal stragedy while others oppose that there are still other measures better than it. In my opinion, more confortable and convenient public transport can encourage people to use it and settle this traffic problem in short period of time efficiently with cost saving. Therefore, this essay intends to elaborate both points of view, highlighting that how development of public transport can alleviate traffic issue.