my guess :
Tampines - Sengkang Int Sv 118
Hougang Central - Buangkok Crescent (Loop) Sv 323
Bukit Batok Int - Bukit Batok Terra (Loop) Sv 942?
Geylang Lor 1 - Circuit Road/Pipit Rd (Loop) Sv 144?
My guess for 2015 is:
1. Sengkang Interchange -- Sengkang West Way (loop)
2. Punggol - St. Michael's Terminal (trunk service via Sengkang
West Way and using express sectors to Whompoa)
3. Bukit Panjang -- Hillview Dr (loop) via Petir, Chestnut Ave,
Dairy Farm Rd (will connect to future Hillview MRT)
4. CCK Interchange -- CCK Ave 5 (loop) to complement sv 300...
this would be sv 301 via CCK Ave 3, Brickland Rd, CCK Ave 5 (loop)
while sv 300 to ply CCK Ave 4, CCK Ave 1, CCK Ave 2.
5. One more service for Bukit Panjang Ring Road but via Senja
Road and BPJ Ring road instead of Segar and Fajar. This could be
short trunk or service to Sembawang/Woodlands area.