ISBN: | 978-5-5106-5751-7 |
High Quality Content by WIKIPEDIA articles! The Red Line of the Washington Metro is a rail rapid transit service operating between 27 stations in Montgomery County, Maryland and the District of Columbia, United States. It is a primary line through downtown Washington, and the oldest and busiest line in the system. It forms a long, narrow "U" capped by its terminal stations at Shady Grove and Glenmont.