Commenter Reza pointed out Track Twenty-Nine’s great visual diagram of the proposed Franconia-Greenbelt “blue line reroute”. He shows each train in a 12-minute period as a separate line, making it easy to visualize the relative volume on each segment of Metro track before and after the proposed change.

Left: Current service. Right: Service under proposed changes. Click a diagram for larger version.

See the post for more details and an analysis of the relative time savings and costs (riders to L’Enfant should save an average of 9 minutes, while riders to Farragut West lose 6).

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David Alpert is the founder of Greater Greater Washington and its board president. He worked as a Product Manager for Google for six years and has lived in the Boston, San Francisco, and New York metro areas in addition to Washington, DC. He lives with his wife and two children in Dupont Circle.