bogota,columbia has a design worth checking

送交者: kma 于 2010-08-04, 17:21:15:

回答: 我提出3.5D交通概念：）由 meiyou 于 2010-08-04, 15:27:27:

the central divider of the road is used for train. at each stop passengers don't have to wait for traffic, cna move ot sidewalks through either overpass or dugout

moskow uses the central divider for special express lane, say police or emergency cars

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