The Crosstown Line, designated Route H2, H3, and H4, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Brookland–CUA station and Tenleytown–AU station of the Red Line of the Washington Metro. The line operates every 24 minutes between 7AM and 9PM, and 30-40 minutes after 9PM at a combined frequency of 12 minutes during the day and, 30-40 minutes during the late nights. Trips roughly take 48 minutes to complete.