Some architects are actually toying with a crazy understanding for fixing London’s subway – and any other tube for that matter – and that’s replacing trains with high-speed moving sidewalks. DON’T MISS: iPhone 6s: Everything we expect to see in Apple’s next-gen iPhones Architecture company NBBJ thinks it can replace the 17-mile Circle Line loop running beneath central London with a moving sidewalk that would have three lanes, with the slowest moving at around 3 miles per hour and the fastest track moving at approximately 15 miles per hour lawful in the middle. The line carries some 114 million people each year. “Currently able to accommodate eight trains at any one time and reach a top speed of 20 miles
Source: bgr.com