traffic of our city I feel the traffic became worse and worse. There are many questions, there aren't enough buses on the route and less subway lines. by contraries,there's too much traffic that is private cars and there isn"t enough parking. The urgent problem to be solved is add more modern buses, nice air-conditioned ones.we also need to build a few more subway lines and conntct them to net.It is important that the private cars should be ban in downtown during the traffic rush hour.actually, our city has limited driving of private cars according to the tail number.