想問金鐘通霄有咩車返上水...

最平同最快既方法係:
N11 上車站:統一中心,金鐘道 下車站:機場(地面運輸中心)
N42A 上車站:機場(地面運輸中心)巴士總站 下車站:上水總站
收費:$60.2 約需時間(分鐘):160

The last train to Sheung Shui will be leave at 00:12 a.m at Admiralty Station so if you can take this train,you can take East Rail line to Sheung Shui.But if you can not catch this last train,I will suggest you to take MTR Tsuen Wan line from Admiralty to Mong Kok Station and change green minibus No. 58S
Here is the information:
Get On Point:旺角道，旺角站 / 西洋菜南街
Get Off Point:龍琛街，上水廣場
Fee:$16.5+$9.5=$26
The last train to Tsuen Wan will be leave at 00:56 a.m at Admiralty Station
Green minibus No.58S information:http://www.i-busnet.com/minibus/nt/r58s.php
Hope above information can help you!