Waban station was made accessible in October 2024; additional reconstruction is planned to begin in 2026.

On May 28, 2008, two westbound Green Line trains collided between Waban and Woodland, killing one person.

In 2019, the MBTA indicated that the four remaining non-accessible stops on the D branch were "Tier I" accessibility priorities.

[8][9] Plans shown in March 2024 called for the platforms to be rebuilt in their existing configuration.

[12] Construction at the four stations took place primarily over the weekends of October 5–6 and 19–20, 2024, leaving them "generally accessible".