Transport in Glasgow to the M80 at Provan is scheduled for completion in 2014. Glasgow is one of only three British metropolitan areas that has an underground metro system; the others being London and Newcastle. The Glasgow Subway (previously "Glasgow Underground"), was built in 1896 and substantially modernised in 1977. It has a single circular route. This, taken together with the orange-coloured paintwork of the carriages, has led to it being known, by guidebooks more than the locals who still refer to it as the "Subway", as "The Clockwork Orange" after the 1971 film. Despite being the third oldest subway system in the
Beijing underground cross-city railway Beijing underground cross-city railway The Beijing underground cross-city railway is a short high-speed rail connection in Beijing. It connects the important transportation hubs Beijing Railway Station and Beijing West Railway Station via a tunnel. It also connects lines from southern and western areas with lines from northeast China. The railway has a length span of , and has been officially operational since March 20, 2015. In December 2017, the Sub-Central line of the Beijing Suburban Railway opened, and the line is using the tunnel. In the early 1980s a plan was proposed to connect Beijing Railway Station to Beijing West