Line 2 of the Dongguan Rail Transit is a rapid transit line in Dongguan. The line currently has 15 stations, 14 underground and 1 elevated, and is 37.743 kilometres (23.452 mi) long, from Dongguan railway station to Humen railway station. It opened on 27 May 2016. Construction of Line 2 began on 26 March 2010.