sentence: In 2013 , the subway delivered over 1.71 billion rides , averaging approximately 5.5 million rides on weekdays.[2 ] Shanghai Metro system is 14 metro lines and 329 stations , with an operating route length of 334 miles , with 2.5 billion rides delivered in 2013 .
modified: In 2013 , the subway delivered over 1.71 billion rides , averaging approximately 5.5 million rides on weekdays.[2 ] Shanghai Metro system are 14 metro lines and 329 stations , with an operating route length of 334 miles , with 2.5 billion rides delivered in 2013 .
transformation: VERB:SVA