State / JVUrban MetroUnder ConstructionDelayed
Bengaluru Metro Phase 2A and 2B: ORR-Airport Line
A major metro expansion from Central Silk Board to KR Puram and onward to Kempegowda International Airport, serving one of Bengaluru’s most congested corridors.
Estimated cost
₹14,788 cr
Reported spend
Not available
Announced
20 Apr 2021
Last verified
1 May 2026
Schedule check
Compared with the first announced target
The ORR-airport corridor has moved beyond early delivery expectations and is tracked into a revised phased opening window.
First target
Dec 2025
Current target
Dec 2027
Revised target
Not listed
Public relevance
Bengaluru airport passengers, Outer Ring Road technology corridor workers and city commuters
Timeline
3 events
20 Apr 2021
Union Cabinet approval
Phase 2A and 2B were approved for ORR and airport connectivity.
31 Dec 2023
Civil works progressed
Viaduct, station and depot-related works progressed across packages.
31 Dec 2027
Tracked phased opening window
The corridor is tracked toward revised phased completion.
Risk notes
- Dense urban construction along active ORR traffic
- Long airport corridor and utility shifting
- Systems, depot and rolling-stock dependencies
Official/public sources
Use these links to inspect the underlying public sources for project details and updates.