Sos from SSC and Malaysian Land Public Transport Fans (MLPTF) FB group:

S01 - Bukit Kiara (Interchange with Line 9 MRT Kajang Line)
S01A - Pusat Sains Negara (Provisional Station)
S02 - Sri Hartamas
S03 - Mont Kiara
S04 - Dutamas
S05 - Taman Sri Sinar
S06 - MATRADE
S07 - Jalan Kuching (Interchange with Line 2 KTM Port Klang Line)
S08 - Titiwangsa (Interchange with Line 3 & 4 LRT Ampang & Sri Petaling Line, Line 8 KL Monorail, Line 12 MRT Putrajaya Line)
S09 - Kampung Puah
S10 - Jalan Langkawi
S11 - Danau Kota
S12 - Setapak
S13 - Rejang
S14 - Setiawangsa (Interchange with Line 5 LRT Kelana Jaya Line)
S15 - AU
S16 - Hillview
S17 - Ampang Point
S18 - Desa Pandan
S19 - Pandan Indah (Interchange with Line 3 LRT Ampang Line)
S20 - Taman Kencana
S21 - Taman Cheras
S22 - Taman Midah (Interchange with Line 9 MRT Kajang Line)
S23 - HCTM/HUKM
S24 - Sri Permaisuri
S25 - Salak Selatan (Interchange with Line 4 Sri Petaling Line)
S25A - (Provisional Station)
S26 - Salak Jaya/Kuchai (Interchange with Line 12 MRT Putrajaya Line)
S27 - Jalan Klang Lama
S28 - Pantai (Interchange with Line 2 KTM Port Klang Line)
S29 - Pantai Permai
S30 - Gasing (Interchange with Line 5 LRT Kelana Jaya Line)
S31 - PPUM
Currently they're conducting survey for EIA and SIA report.


Also someone in SSC forum did the MRT3 alignment map overlay with OpenStreetMaps

