Large Chinese cities such as Beijing are already bursting at their seams. Imagine the daily commute for one of Beijing’s 21.7 million residents. Most people live in the outskirts of the city, where there is housing, but have to commute to the city center for jobs. Although public transportation is available, average commutes still can be upwards of an hour and a half. And more people are driving too – rush hour traffic in the urban core increased by 50%, even though average travel distance is only about 6 miles.
Because of the way Beijing is expanding both vertically and horizontally, with