[2] On December 3, 1978, both routes U5 and U6 went through a minor rerouting change, to divert into the newly opened Minnesota Avenue station.

Both U5 & U6 would serve the station at the intersection of East Capitol Street NE & Benning Road NE/SE.

The reasons were to improve reliability of service by operating shorter routes, create a better balance of capacity and demand throughout the line, and performance measures has an on-time performance is 78 percent compared to the target of 81 percent.

This was to improve service reliability and on-time performance by shortening the routes, create a better balance of capacity and customer demand on routes U5, U6, and U7, recommended in the 2014 U and V Lines Service Evaluation Study, and respond to Minnesota Avenue NE construction conclusion.

During the COVID-19 pandemic, Route U5 and U6 was reduced to operate on its Saturday supplemental schedule during the weekdays beginning on March 16, 2020.