Mumbai Metro Line 7A (Andheri East - CSIA Airport) Route Map, Stations & Status
Mumbai Metro Line 7A (Red Line Airport Extension / Mumbai Airport Metro / Metro Line 7A Route / CSMIA Metro / Airport Metro Mumbai) is a 3.42 km (3.422 km official alignment) under-construction rapid transit corridor extending Line 7 (Red Line) southwards from Gundavali (Andheri East) directly beneath Chhatrapati Shivaji Maharaj International Airport Terminal 2 (CSMIA T2). Implemented by MMRDA, Line 7A features 2 stations (Airport Colony elevated station & CSIA Terminal 2 underground station), a 2.195 km underground tunnel section under Sahar Road, 0.99 km elevated viaduct, and direct underground interchanges at CSIA Terminal 2 with Metro Line 3 (Aqua Line) and future Metro Line 8. Track Metro Line 7A Stations, Metro Line 7A Completion Date, CSMIA Terminal 2 Metro status, and Red Line Airport Extension updates.
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Mumbai Metro Line 7A (Andheri East - CSIA Airport) Economics
Expected Completion Date
Mumbai Metro Line 7A (Andheri East - CSIA Airport) Stations
| # | Station | Type | Interchange / Connection | Opened |
|---|---|---|---|---|
| 01 | Airport Colony | Elevated | Western Express Highway & Airport Colony Feeder (No Metro Interchange) | Under Construction |
| 02 | CSIA Terminal 2 | Underground Terminal | Metro Line 3 (Aqua Line), Metro Line 8 & CSMIA T2 Airport | Under Construction |
Mumbai Metro Line 7A (Andheri East - CSIA Airport) Route Map
Mumbai Metro Line 7A (Andheri East - CSIA Airport) Technical Specifications
| Parameter | Value |
|---|---|
| Corridor Status | Under Construction |
| Line Number | 7A (Red Line Airport Spur) |
| Total Length | 3.42 km (3.422 km alignment) |
| Stations Count | 2 |
| Corridor Type | Elevated (0.99 km) & Underground (2.195 km) |
| Implementing Agency | MMRDA |
| Operator | MMMOCL (upon commissioning) |
| Opened / Est. Opening | Expected 2026–2027 |
| Maximum Design Speed | 80 km/h |
| Track Gauge | Standard Gauge (1435 mm) |
| Electrification System | 25kV AC overhead catenary (OHE) |
| Primary Depot | Dahisar / Rai Murdhe Depot (Shared with Line 7 & 9) |
Mumbai Metro Line 7A (Andheri East - CSIA Airport) Timeline
Approved by Maharashtra State Cabinet under MMRDA Master Plan
EPC Civil Package LINE7A-C01 awarded to J. Kumar Infraprojects
TBM shaft excavation & NATM tunnel portal construction commenced at Sahar Road
Major TBM twin underground tunneling breakthrough completed under Sahar Road.
Station architectural works, MEP, track laying and systems installation in progress across the 3.42 km corridor.
Mumbai Metro Line 7A (Andheri East - CSIA Airport) Economic & Connectivity Impact
Economic Significance
Provides direct rapid transit access to CSMIA Terminal 2 for passengers traveling from the northern suburbs of Mumbai and Mira-Bhayander via the Red Line network. Sanctioned under the combined ₹6,607 crore Line 9 & 7A package.
Traffic Impact
Bypasses severe surface traffic on WEH, Sahar Elevated Road, and Western Railway suburban bottlenecks for airport commuters.
Employment Centres Served
Connects major commercial and hotel districts in Andheri East, Sahar Airport City, and BKC directly with the rapid transit grid.
Intermodal Connectivity
Enables seamless transfer to Metro Line 3 (Aqua Line) and CSMIA Airport Terminal 2 directly from the Red Line corridor.
Impact on Real Estate
Enhancing land value and premium commercial office demand along the Andheri East / Sahar Airport corridor.
Mumbai Metro Line 7A (Andheri East - CSIA Airport) Alignment Map & GIS Explorer
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