The tsing yi section comprises two kilometres cheung tsing highway on north - west tsing yi . 1 . 6 kilometres of bored cheung tsing tunnels under the island and a new 500 - metre bridge over the ramber channel to the mainland at kwai chung 青衣段包括位于青衣岛西北部长两公里的长青公路1 . 6公里开凿穿过青衣岛下的长青隧道和一条长500米，横跨蓝巴勒海峡至葵涌的新桥梁。
