This line is scheduled to be completed by 2030 and will be operated by the Dhaka Mass Transit Company Limited (DMTCL).

In 2005, the World Bank published a study report, recommending that the government of Bangladesh build a mass transit system in Dhaka.

In the same year, American consultancy firm Louis Berger Group prepared a strategic transport plan for Dhaka.

[3] In 2017, an agreement was signed between the government of Bangladesh and Japan to build MRT Line 4 on a Public Private Partnership (PPP) basis.

[4] the government decided to request the Department of Economic Relations (ERD) to find donors to fund MRT Line 4.