Rubuta ci gaba don wannan sakin layi - A watan Janairun 1962, a farkon yakin basasa na Laos
, Firayim Minista Souvanna Phouma ya kulla yarjejeniyar taimakon kasashen waje tare da Jamhuriyar Jama'ar Sin (PRC). 'Yan Kwaminisanci na kasar Sin za su gina hanyoyi a arewa maso yammacin Laos duk da yakin basasar Laos da ke gudana. A matsayin wani ɓangare na wannan aikin, bayan shan kashi a Nam Bac a ranar 14 ga Janairu, 1968, injiniyoyin kasar Sin sun fara gina Hanyar 46 daga lardin Yunnan zuwa kudu ta kwarin Nam Beng zuwa Pakbeng, wanda ke Kogin Mekong. Yayin da aikin gina titin ya kusanci kan iyakar Thailand, kuma sojojin kasar Sin da bindigogi masu adawa da jiragen sama suka tsare shi, Gwamnatin Royal Thai (RTG) ta damu da yiwuwar mamayewar China da kuma goyon bayan Sin ga Jam'iyyar Kwaminis ta Thailand.