8/06/2016

China's Elevated Bus Floats Above the Streets


A prototype of the Transit Elevated Bus. CreditLuo Xiaoguang/Xinhua, via Associated Press


BEIJING — If you’re driving in a Chinese city in the none-too-distant future and your car is engulfed in a  metallic belly, don’t panic. It may feel like an alien abduction, but probably it’s only a colossal, street-straddling bus.
The idea of a bus so large, high and long that it could virtually levitate above congested streets seemed surreal when presented at an expo in Beijing in May. But it came a step closer to reality this week, when a prototype went for an experimental spin in Qinhuangdao, a seaside city in northern China. 
The makers of the vehicle, known as the Transit Elevated Bus, declared the ride down a few hundred yards of street on Tuesday a success, but the controlled conditions hardly reflected the unpredictability of Chinese traffic.
 “I wanted to officially show people that this is entirely possible and that the bus can be up and running. We inspected and tested the vehicle for a range of functions, like ignition, braking and other processes, to see if they all work together and there are no problems,” Mr. Song, the designer of the elevated bus, said in a telephone interview from Qinhuangdao.
But a full trial run will not take place until the middle of next year in a city in central China.
To supporters, floating buses offer a solution to the traffic that chokes China’s cities. The prototype is 72 feet long and 26 feet wide. Most important, it is 16 feet high, creating room for a tunnel more than 6 feet high between the wheels for cars. Commuters will be able to float above two lanes of traffic, whisked on rails from one specially built elevated stop to another.
“The invention of the Transit Elevated Bus is considered as a revolution for the environment-friendly public transportation.No more traffic jams,” the maker of the bus, TEB Technology, says. with some optimism.
But skeptics say the bus is a magnificent example of a solution to a problem that is likely to create even more problems.
After the test run on Tuesday, China’s internet filled with questions. How will the bus negotiate turns? What about the many drivers who jump in and out of lanes? What about vehicles like trucks that are too large to fit under the bus? How will the giant buses use the bridges and overpasses in the capital city?
Mr. Song said that a full bus will have four connected carriages and be able to carry 1,200 passengers, which may make getting on and off an adventure in itself.
Turning at broad intersections will not pose a problem, Mr. Song added. The cars underneath the bus will come to a stop and wait while the bus curved the corner.
“Underneath the bus, traffic lights will be coordinated with the traffic lights on the road so that cars are notified,” he said.
But Mr. Song had something to reassure people worried about the new technology.
“At the moment, we can’t use driverless technology on the bus,” he said. “We have to have humans at the wheel.”



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edtited from The New York Times