[1] 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.

The budget for MRT Line 1 was set at ৳52,561.43 crore of which Japan International Cooperation Agency agreed to finance 75%.

[7] On 23 October 2022, the government signed an agreement with Nippon Koei Bangladesh Limited to join the company as a consultant for MRT Line 1.

[8] In the same year, the government entered into an agreement with Tokyo Construction and Max Infrastructure for the land development work of the only depot of the proposed project at Pitalganj.

[5] On 28 December 2022, the day of the inauguration of MRT Line 6, the secretary of the Road Transport and Highways Department said that the construction of the project is possible to start in the first month of 2023 subject to the approval of the prime minister.

[17] Later the secretary of Road Transport and Highways Division assured that the construction of the line would be done in a coordinated manner so as not to cause major damage to the expressway.