[1][2] The eventual construction of the interchange was driven by the need to alleviate continuing severe traffic congestion along the Circumferential Road 2 corridor.

[4] A subsequent study by the Japan International Cooperation Agency issued in 2001 shows that in the nine years since the Nagtahan Interchange was constructed, traffic flows improved considerably despite the doubling in the number of cars on Metro Manila roads in that same time frame.

[4] On October 1, 2021, the Department of Public Works and Highways commenced the rehabilitation of Nagtahan Flyover, resulting in partial closure and restricted access to light vehicles only.

[6] In 2013, students from various universities in Metro Manila re-touched the murals of prominent national heroes painted along the stone column of the Nagtahan Interchange.

The project was undertaken by the Metropolitan Manila Development Authority, which aimed to create awareness of Filipino history and culture.