More suggestions:
Svc 126: Buona Vista to Marina Centre
(Loop)
Buona Vista Ter, Holland Dr, Commonwealth Ave,
Alexandra Rd, Telok Blangah Rd, Telok Blangah Dr, Telok Blangah St
32, Telok Blangah Heights, Henderson Rd, Jln Bt Merah, Lower Delta
Rd, Tiong Bahru Rd, Outram Rd, Eu Tong Sen St, Hill St, Victoria
St, Bras Basah Rd, Temasek Blvd, Temasek Ave & Raffles Ave
(Loop)
And return via Stamford Rd, Hill St, New Bridge Rd, Outram Rd,
Tiong Bahru Rd, Lower Delta Rd, Jln Bt Merah, Henderson Rd, Telok
Blangah Heights, Telok Blangah St 32, Telok Blangah Dr, Telok
Blangah Rd, Alexandra Rd, Commonwealth Ave, Holland Dr and Buona
Vista Ter.
Purpose: To link Alexandra Rd (The part which 51 doesn't ply) with
Queenstown MRT.
To link Telok Blangah Dr, St 32 and heights with Tiong Bahru MRT
and Marina Centre/Suntec City.
To link Chinatown with Marina Centre/Suntec City