The Capitol Heights–Minnesota Avenue Line, designated Route V2, V4, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Capitol Heights station of the Blue and Silver Lines of the Washington Metro and Anacostia station (V2) or Navy Yard–Ballpark station (V4) of the Green Line of the Washington Metro.

Routes V2 and V4 originally operated out of Southern Avenue Annex until its closure in June 2024.

[3] V2 had a prior incarnation as the 4th Street Line under the Washington Railway & Electric Company but was later replaced by the M2.

[4] Route V4 originally operated until the 1990s when they were replaced by the Minnesota Ave-M St Line on December 28, 1991.

[5] Route U2 originally operated as the Benning-Kenilworth Line under the Washington Railway & Electric Company before being renamed into the V8.

[8] During WMATA's Fiscal Year of 2015, they announced a series of proposals of simplification affecting the current routes U2, U4, U5, U6, U8, V7, V8, and V9.

[12][13] During the COVID-19 pandemic, Route V2 and V4 was reduced to operate on its Saturday supplemental schedule during the weekdays beginning on March 16, 2020.

[14] On March 18, 2020, the line was further reduced to operate on its Sunday schedule with Route V2 being suspended.