Rubuta ci gaba don wannan sakin layi - Hanyar Hanyar Dapu (), wacce a da ake kira Hanyar Kogin Huangpu ko Project 651, hanya ce ta hanyar da ke gudana a ƙarƙashin Kogin Huangpu a cikin birnin Shanghai, China. Yana haɗu da Gundumar Huangpu a gefen Puxi na Shanghai tare da Pudong New Area. Ya ƙunshi bututu biyu, na farko wanda aka gina tsakanin 1965 da 1970 kuma ya zama ramin farko na abin hawa a ƙarƙashin Kogin Huangpu a cikin. Ramin yana da hanyoyi biyu kuma an fara aiki tare da layi daya a kowane shugabanci. Saboda bukatar karin karfin da aka samu daga Expo 2010 na Shanghai
, an gina bututun na biyu tsakanin 2009 da 2010 a yammacin na farko, wanda aka buɗe a ranar 11 ga Fabrairu, 2010. Lokacin da aka buɗe bututun na biyu, an canza bututun farko don zirga-zirgar arewa kawai yayin da sabon bututun ya ɗauki zirga-zirgar kudu. Gabas, bututun arewa yana da tsayi, yayin da yamma, kudu yana da tsayi.