Mumbai?s much-anticipated first underground metro line, Metro 3, is on the verge of becoming operational. According to recent updates, 97% of the work on Phase 1 of the project has been completed, with final touches underway to ensure that the line is ready for public use. This milestone brings the city closer to easing its long-standing traffic woes and enhancing urban mobility. Metro 3, also known as the Colaba-Bandra-SEEPZ line, is set to be a game-changer for Mumbai's public transport system. As the city's first fully underground metro line, it will connect some of Mumbai?s most critical and densely populated areas. Phase 1 of the project covers the stretch between Aarey and Bandra Kurla Complex (BKC), offering a much-needed rapid transit solution for daily commuters. The underground metro line is expected to significantly reduce travel time between key locations in Mumbai, offering a reliable alternative to the city's overburdened road network. The trains on this line are designed to operate at high frequencies, ensuring minimal waiting times for passengers and a smooth, efficient commuting experience. With the completion of civil works and the installation of necessary infrastructure, the project is now in the final stages of testing and commissioning. Safety trials and systems integration are being carried out to ensure that all aspects of the metro line meet the required standards before it opens to the public. The operationalization of Metro 3 is expected to provide substantial relief to Mumbai?s commuters, particularly those travelling between the southern and northern parts of the city. It will also help decongest road traffic, contributing to reduced pollution levels and a cleaner environment.