METRO CORRIDOR DOSSIER // MUMBAI-METRO-LINE-4A

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Route Map, Stations & Status

Under Construction📏 2.668 km🚉 2 Stations🗓 Opening date: Yet to be officially announced by MMRDA🏢 Agency: MMRDA | Operator: MMMOCL (upon commissioning)

Mumbai Metro Line 4A (Green Line Extension / Thane Metro Line 4A / Gaimukh Metro Project / Kasarvadavali Gaimukh Metro) is an official 2.668 km under-construction elevated rapid transit corridor extending Metro Line 4 northwards from Kasaravadavali to Gaimukh along Ghodbunder Road, Thane. Implemented by MMRDA, Line 4A features 2 elevated stations (Gowniwada and Gaimukh), shared maintenance operations at Mogharpada Depot (Thane), and interchanges with Metro Line 4 at Kasaravadavali and proposed Metro Line 10 at Gaimukh. The official Metro Line 4A Completion Date has yet to be officially announced by MMRDA. Track Mumbai Metro Line 4A Route Map, Line 4A Stations, Kasarvadavali Gaimukh Metro progress, and Line 4A Latest Update.

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Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Economics

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Economics

Total Investment₹949 Crores (Approved Sanctioned Cost)
Primary BackersState / MMRDA Equity & KfW / AIIB Multilateral Loan Assistance
Operator / ModelMMMOCL (upon commissioning)
Target Opening

Expected Completion Date

StatusUnder Construction
Target Opening DateOpening date: Yet to be officially announced by MMRDA
Station list

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Stations

#StationTypeInterchange / ConnectionOpened
01
Gowniwada
RegularGhodbunder Road Feeder NodeUnder Construction
02
Gaimukh
Terminal / InterchangeProposed Line 10 (Gaimukh to Shivaji Chowk, Mira Road)Under Construction
Geospatial Alignment

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Route Map

Loading GIS Map Environment...
Specs sheet

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Technical Specifications

ParameterValue
Corridor StatusUnder Construction
Line Number4A (Green Line Extension)
Total Length2.668 km
Stations Count2
Corridor TypeFully Elevated
Implementing AgencyMMRDA
OperatorMMMOCL (upon commissioning)
Opened / Est. OpeningOpening date: Yet to be officially announced by MMRDA
Maximum Design Speed80 km/h
Track GaugeStandard Gauge (1435 mm)
Electrification System25kV AC overhead catenary (OHE)
Primary DepotMogharpada Depot (Thane)
Chronological Milestones

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Timeline

2018

Approved by Maharashtra State Cabinet as an official 2.668 km northern extension of Line 4.

2019

Civil construction contract awarded to J. Kumar Infraprojects.

Active

Civil viaduct launching, station structural works, and alignment execution actively progressing under MMRDA implementation.

Proprietary analytics

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Economic & Connectivity Impact

Economic Significance

Expected to improve connectivity along Ghodbunder Road and support regional mobility.

Traffic Impact

Expected to relieve traffic congestion along the Ghodbunder Road highway corridor between Kasaravadavali and Gaimukh.

Employment Centres Served

Connects residential hubs in Ghodbunder Road directly to commercial zones in Thane, Mulund, Ghatkopar, and Central Mumbai.

Intermodal Connectivity

Direct extension of Line 4 at Kasaravadavali and planned multi-modal interchange with Metro Line 10 at Gaimukh.

Impact on Real Estate

Expected to improve connectivity along Ghodbunder Road and support regional mobility.

Geospatial Explorer

Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Alignment Map & GIS Explorer

Elevated / UndergroundElevated: 2.668 km | Underground: 0 km
Viaduct Length2.668 km
Tunnel Length0 km
River CrossingsMinor drainage crossings along Ghodbunder Road corridor
Major Bridges / CrossingsElevated viaduct along Ghodbunder Road
Primary DepotMogharpada Depot (Thane)
Answers

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