 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 plan (2009-2015)" was put to the NDRC and the Ministry of Construction for approval.