Dongguan Rail Transit or Dongguan Metro is the rapid transit system of the city of Dongguan in Guangdong Province of China. It is operated by the state-owned Dongguan Rail Transit Corporation, Limited. The construction of the first section of Line 2 began on 26 March 2010, opening on 27 May 2016. Current plans call for some lines of the Dongguan Rail Transit to connect with the neighbouring Shenzhen Metro and Guangzhou Metro. Lines in operation Line 2 The first section (15 stations and 37.743 km long) of Line 2 from Dongguan railway station in Shilong Town to Humen railway station in Humen Town opened on 27 May 2016. The line was called R2 in planning. History Preliminary planning In 2001, when he was with the party secretary of Dongguan, Tong Xing used the slogan "a big year for five years to see Metro". The vision to build the Dongguan Rail Transit system was first put on the agenda. September 2003 to October 2004, China Academy of Urban Planning and Design Institute of Ministry of Railways, "Dongguan Rail Transit Network Planning" project was launched. November 2004, Dongguan City rail transit construction leading group was established, followed by the development of "Dongguan Rail Transit Network Plan" to be completed by 2020. Dongguan City plans to build a total length of 195 km, with the total number of stations to 55 of the rail network. September 2006, "Dongguan city rapid rail transit construction planning" through the Provincial Development and Reform Commission, Department of Construction Review. December 2006, plan submitted to the State Development and Reform Commission, Ministry of Construction; February 2007, the mayor of Dongguan, Li Yuquan announced provincial government approval; In 2006, September 25 to 26, "Dongguan city rapid rail transit construction plan" expert review meeting was held, "Dongguan city rapid rail transit construction plan" was approved by the specialists. The experts recommended that the goal is brought down to about 60 kilometres and give priority to the development of line No. 2. Experts also recommend Dongguan-Shenzhen inter-city lines and their routes overlap No. 1 line and for further research to make a unified coordination and optimization. It pointed out that the proposed R1 line with Guangzhou-Dongguan-Shenzhen inter-city line collinear operations should avoid duplication and wasteful investment. However the proposal was rejected, R1 line and Guangzhou-Dongguan-Shenzhen inter-city line to be built as separate lines. July 2009, "Dongguan city rapid rail transit construction