Any proposed diversion within wkcd should tie in with the diversion to be provided by kcrc at the upstream section ( single cell ) of the same culvert . proponents should liaise with kcrc in this regard 如建议把西九龙文娱艺术区内的暗渠改道,须配合九广铁路公司日后就同一暗渠的上游段(单管)进行的改道。