西安 2009.9 Creative Commons Attribution License. You may use for any purpose, but only with attribution / credit to: Karl Fjellstrom, Far East Mobility
西安城市交通
倒计时器 - 路侧公交专用道 - 路侧自行车道      
Buses and bicycles merge in the slow lane, so cars can be unobstructed in the centre
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