To and from work ring the peak period of congestion has been troubled by the situation of people's main problem is usually between 5-6 people in work, an average of one hour's journey in that time period to take a 2-fold, and because people can easily lead to a concentration of traffic Traffic over the next 2 years, Shanghai will build 12 subway lines, there are now 9, the opening line, which will greatly ease the current traffic situation, I believe that in the near future, Shanghai's traffic will get better and better