According to the statistics in 2014, Tokyo has a population density of 6,106 passengers per square kilometer and has approximately 2,190 square kilometers, and has more than 8 million motor vehicles. Tokyo, where conditions are obviously biased, has managed to display traffic congestion transcript: 8:17.
This is the average speed comparison of vehicles in 1981 and now. During more than 30 years, the No. of motor vehicles has been increased by 2.05 times, while the traffic speed has been increase double ,this is called "Tokyo Miracle".
vigorously develop rail transit.