ISLAMABAD: From the shores of Arabian Sea to the ice-capped mountains of Khujarab Pass, the government has planned to lay and upgrade the railway tracks under China-Pakistan Economic Corridor (CPEC). Under the plan, new lines will be laid from Gwadar to Quetta and Jacobabad via Besima, Radio Pakistan reported on Sunday. Over 560 kilometres long track will be laid from Bostan to Kotla Jam on Main Line-II via Zhob and Dera Ismail Khan. In addition, new track stretching 682 kilometres will also be laid from Havelian to Khunjrab on Pak-China border. The plan will see upgrading of 1,872 kilometres railway track from Karachi to Peshawar.