It's a tourist sv between Central and Cable Car Twr (?), em
there's only AC fares of HK$3.20 (S$0.64) for abt SG's eqiv 2 fare
stage (1.4km), travelling time is estd 8 mins
NWFB 15 rts serves The Peak, 15B or 15C are branch svs
Just like the KMB rts, say Sv X, then there's prefix A or B as
branch rts, X for Express Svs, K for KCRC feeder, M for MTR feeder,
P for Peak Hr branch sv... This is just as a general guide
Oh yes, if you arrive HK and take by the Tridents to town, 'A'or
'E' svs would welcome you 
