The eastbound carriageway of cheung pei shan road leading to the underpass from a point east of its diverging point with the eastbound carriageway of cheung pei shan road leading to tsuen kam interchange will be designated a 时起,象鼻山路通往地下通路的东行车道,由其与通往荃锦交汇处的象鼻山路东行车道的分岔点以东处起,全日