Four O'Clock Factoid is a daily feature on Track Twenty-Nine helping to get you through the workday with a bit of useless knowledge.
The Shanghai Maglev Train is the world's first commerical application of a high-speed maglev line. Connecting Pudong International Airport to Metro Line 2, the train takes only 7 minutes 20 seconds to travel 30 kilometers (18.6mi). It travels at a top speed of 268 miles per hour briefly, and during testing reached a speed of 311 mph. An extension through southern Shanghai to Hongqiao Airport is in planning.