The future of travel in cities could be to take the bus . Six circular routes radiate around the city in both directions and in dedicated lanes , enabling frequent services . Bus rapid transit systems ( BRTs ) are cheap , efficient ways to travel . BRTs are cheaper to build than traditional subway systems . They can run on existing rail lines and have a much lower cost per passenger mile compared with subways.
The future of travel in cities could be to take the bus . Bus rapid transit systems ( BRTs ) are cheap , efficient ways to travel . BRTs are cheaper to build than traditional subway systems . They can run on existing rail lines and have a much lower cost per passenger mile compared with subways.