Bengaluru metro phase-3 will have 31 stations stretching 42 km. The 42 km line will combine with other metro lines, suburban rail or bus depots at nine points that will assist in seamless connectivity. The project is likely to become operational by 2027-2028. As per the alignment report prepared by the Bangalore Metro Rail Corporation Limited, Phase-3 will hold two Metro corridors. Corridor-I will operate along the Outer Ring Road from J P Nagar to Hebbal for 31 km while Corridor-II will operate from Hosahalli Toll to Kadabagere for 11 km. A senior Metro official told the media that the line along the ORR will have 22 stations comprising three at JP Nagar while the second line will have nine stations. Somanahalli Cross will work as an interchange station. The first corridor stopping at Hebbal will join with Phase-2B of Airport Line that will operate from KR Puram to KIA through Hebbal, thereby joining the ORR Road completely. Metro Phase 3 will include only one depot at Sumanahalli Cross. The vital aspect of Metro Phase-3 are these nine points where it will combine with its network or expedite multimodal integration, said another official. Among the points where it would occur is the Mysuru Road with existing one on Purple Line, Kamakya Metro with the bus station, JP Nagar Phase 5 station with J P Nagar stn in Green Line of Phase-I, Sumanahalli Cross will work as an interchange point for both the new corridors, Peenya with existing station on Green Line, Lottegahalli will join with the planned Suburban rail corridor, Hebbal with the upcoming suburban rail station, existing Indian railway station and the BMTC depot, and Hosahalli with the existing station on Green Line. The traffic survey is yet to be conducted and the Detailed Project Report is likely to be prepared by RITES within six or seven months, another official said. Corridor-1 will include stations at Kamakhya bus depot, JP Nagar, JP Nagar 5th Phase, JP Nagar 4th Phase (JD Mall), PES Institute of Technology, Kadirenahalli, Hosakerehalli Cross, Mysore Road and others. Image Source Also read: Bengaluru Metro awards contracts to Afcons, Shankaranarayana