The Western Railway has prepared Mumbai's first isolation rail coach at its Lower Parel workshop as per the guidelines of the Railway Board. The Western Railway has targeted to undertake a total 460 coaches and the coaches selected are non AC sleeper and general second class coaches. Out of these 460 coaches, 170 will be undertaken by the Mumbai division.

As part of COVID-19 preparedness, the Indian Railways has decided to modify 20,000 coaches into quarantine/ isolation coaches to augment the quarantine facilities being created across the country. These modified 20,000 coaches can accommodate upto 3.2 lakh possible beds for isolation needs. In the first phase work on modification of 5,000 coaches has been undertaken; which are to be converted into quarantine/ isolation coaches. These 5000 coaches would have a capacity to accommodate upto 80,000 beds. One coach is expected to have 16 beds for isolation.