MUMBAI (Metro Rail News): In a major infrastructure boost for the Mumbai Metropolitan Region, the Mumbai Metropolitan Region Development Authority (MMRDA) has announced the extension of Mumbai Metro Line 12, now designated as Metro 12A, at ₹8,414.53 crore. The 18.4-kilometre corridor stretches between Manpada (Kalyan) and Taloja (Navi Mumbai). It will run parallel to the busy Kalyan-Shilphata Road, is expected to dramatically improve connectivity across Kalyan, Dombivli, and Bhiwandi.
The project was announced by Deputy Chief Minister and Urban Development Minister Eknath Shinde following sustained efforts by Member of Parliament Dr. Shrikant Shinde. MMRDA has also approved a four-lane double-decker elevated corridor between Kalyan Phata and Rajnoli with an estimated cost of ₹5,909.21 crore.
Project Overview
| Project Name | Metro Line 12A |
| Total Project Cost | ₹8,414.53 crore |
| Corridor Length | 18.4 kilometers (10.5 km already under construction) |
| Number of Stations | 12 elevated stations |
| Implementing Agency | Mumbai Metropolitan Region Development Authority (MMRDA) |
Route and Connectivity
Metro Line 12 currently connects Kalyan-Dombivli to Navi Mumbai via Taloja. The newly approved Metro 12A extension will run from Kalyan Phata via Dahisar Mori and merge with the existing Metro Line 12 near Khutare Village before reaching Taloja Railway Station, also known as Amandoot station.
Between Katai Naka and Kalyan Phata, the metro line will share common tracks and stations with the proposed Metro Line 14, which will connect Kanjurmarg to Badlapur.
Discover how AI is bringing the next phase of sustainable urban rail mobility for Viksit Bharat at InnoMetro 2026, India’s prime exhibition and conference for metro & railways which is going to held on 21-22 May 2026 at Bharat Mandapam, New Delhi.
Register Now: https://innometro.com/participate-now?utm_source=metrorailnews&utm_medium=referral&utm_campaign=innometro_2026_news
