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
A Clockwork Orange (film) and Clyde" (1967), "Night of the Living Dead" (1968), "The Wild Bunch" (1969), "Soldier Blue" (1970), "Dirty Harry" (1971), and "Straw Dogs" (1971), the film is considered a landmark in the relaxation of control on violence in the cinema. "A Clockwork Orange" remains an influential work in cinema and other media. The film is frequently referenced in popular culture, which Adam Chandler of "The Atlantic" attributes to Kubrick's "genre-less" directing techniques that brought novel innovation in filming, music, and production that had not been seen at the time of the film's original release. "A Clockwork Orange" appears several times on