If you thought Mumbai MetroLine7 (Dahisar East to Gundavali (Andheri East) has made your travel good, then something better is coming for you. The Mumbai Metro-7A, the extension of Metro-7 from Gundavali to Chhatrapati
Shivaji Maharaj International Airport Terminal 2. How will your travel look like? When will the line be ready? Will it connect to other lines and public transport? Mumbai Metro-7A explained.
Mumbai Metro Line 7A: The route of the red line and stations
It is the extension of Metro Line 7 from Gundavali (Andheri East) to Chhatrapati Shivaji Maharaj International Airport (CSMIA) Terminal 2.
Total length: 3.42 km
0.94 km elevated along Western Express Highway
2.11 km underground section under Sahar Elevated Road and sensitive utilities
Two stations:
Airport Colony (elevated)
CSMIA Terminal 2 (underground), connected to Metro Line 3 (Aqua Line)
Explained: Mumbai Now Maximum Metro City: How Many Lines Are Running On Which Routes? How Many More To Go?
Dahisar to CSMIA in 50 minutes: How Mumbai Metro Line 7A will make travel look?
Currently, travelling from Dahisar to the airport by road during peak hours can take up to 90 minutes, depending on traffic. Once Mumbai Metro Line 7A is fully operational (expected by December 2026), you’ll be able to travel directly from Dahisar East to CSMIA Terminal 2 without changing trains.
Here’s how the journey would look:
Dahisar East-Andheri East (Gundavali) via Line 7: 35-38 minutes over 16.4 km, as per current Line 7 travel time data.
Andheri East (Gundavali)-CSMIA (T2 Airport Station) via Line 7A extension: The 3.4 km extension includes an underground section running from Andheri East to the airport. This leg is projected to take around 8-10 minutes.
Around 43-48 minutes from Dahisar East to the airport terminal once Line 7A is operational.
#MMRDA#MumbaiMetro#ReshapingMumbai
Mumbai Metro crosses yet another milestone of 2 Crore ridership across #Metroline7 & 2A. First phase was commissioned in April 2022 & 2nd on Jan 19th 2023 dedicated in public service by Hon PM Shri @narendramodi ji. pic.twitter.com/aGoLih1QV8— MMRDA (@MMRDAOfficial) April 7, 2023
Mumbai Metro 7A: Cost & Contract
Estimated cost: Rs 1,998 crore dedicated to 7A: viaduct, ramp, two stations, tunnels
Full Red Line package (Lines 7 + 7A + 9) estimated at Rs 6,607-6,607 crore
How much Mumbai Metro 7A work has been completed?
As of July 2025 completion:
61% overall work done
Tunnelling fully complete (both directions) via TBM Disha (1.65 km) under complex infrastructure
Elevated portions, ramps and station structures between 82–100% complete
When is Mumbai Metro-7A expected to be opened?
Targeted operational launch by December 2026, aligned with MMRDA’s plan for airport metro access by year-end
Mumbai Metro-7A: Rolling Stock & Capacity
Designed for 8 coach trains, capacity 2,352 passengers per trip
Estimated 2031 ridership across Red Line: 11+ lakh/day
How will Mumbai Metro Line 7A ease travel for officegoers?
- Will shorten travel from Andheri East/Mira-Bhayandar/Red Line catchment to airport by up to 60 minutes during peak road congestion
- Reduces reliance on taxis and buses via Western Express Highway
- Provides seamless direct access from Mira Bhayandar and northern suburbs to the airport
- Boost connectivity for office-goers flying out from Andheri corridor and communities along Metro Line 7/9
- Help decongest WEH and reduces travel stress for business travellers
- Enables a predictable, metro-based commute to the airport from business corridors around Andheri, JVLR, and the Mira suburbs
- Minimises uncertainty compared to road travel, valuable for directors and managerial staff traveling by air frequently.
Will Mumbai Metro-7A be connected to other lines?
Metro Line 7 (existing): At Gundavali / Andheri East
Metro Line 3 (Aqua): CSMIA Terminal 2
Metro Line 8 (proposed Gold Line to NMIA): Terminal 2
Metro Line 9 Continuation via Gundavali
Metro Line 1, 2A, 6 via existing interchanges at Andheri & JVLR junctions
Transfers are planned as smooth concourse-level interchanges to minimize walking and level changes.
The Mumbai Metropolitan Region Development Authority (MMRDA) has commenced tunneling for Metro Line 7A, a significant step in enhancing Mumbai’s transportation infrastructure. pic.twitter.com/UZ1Xp8QPmj
— MMRDA (@MMRDAOfficial) September 2, 2023
Mumbai Metro Line 7A: Ticketing system
Will use standard AFC system: smart cards and QR tokens similar to other Mumbai metro lines
Likely fare slabs (consistent across Mumbai Metro): Rs 10 up to 2 km, Rs 20 (2-5 km), Rs 30 (5-12 km), Rs 40 (12-18 km), Rs 50 (18-24 km)
(Exact slab for 3.4 km likely Rs 20-30)
Ticketing Tips:
- Top up cards only at official booths/apps
- Know approximate travel distance before tapping
- Exit well before last service (10 PM)
- Use women’s coach if available, and note emergency help points.
Will Mumbai Metro-7A be linked to public transport?
At Gundavali / Andheri East: Metro connects with Western Railway, Metro Lines 1, 2A, and buses
At Terminal 2: Direct link to airport terminals and future Line 8-Navi Mumbai Airport
Convenience for intermodal transfers for passengers landing at airport or traveling inland
Will Mumbai Metro 7A be connected to upcoming Metro lines?
Metro Line 8 (Gold Line): Elevated corridor from CSMIA Terminal 2 to Navi Mumbai International Airport (NMIA). Line 7A station at T2 will serve as hub for Line 3, 7A & Line 8 interchange
Fully integrated metro corridor microfiber extending from Mira Bhayandar to Dahisar to Andheri to Airport to NMIA, bridging western and eastern suburbs.
