According to NHSRCL, the 13.6-metre diameter cutterhead weighs around 350 tonnes and forms a critical part of the Tunnel Boring Machine’s (TBM) main shield assembly

According to the notifications, several roads in Mulund, Chembur, Chunabhatti, Trombay, Mankhurd, Vikhroli, Kanjurmarg, and Ghatkopar are narrow. Double-sided parking on these roads has been causing severe traffic jams and obstructing the movement of emergency and essential service vehicles