The MMRDA is constructing a 9.6-km metro line between Thane and Dombivli to alleviate transportation congestion. The project will cost Rs 4,500 crore and include 7-8 stations. It will enhance connectivity between various modes of transport and link with the Mumbai-Ahmedabad High Speed Rail station at Diva. Additionally, it will connect with Mumbai Metro Line 12, improving accessibility to Kaly.