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The network of tunnels that nearly crisscrossed downtown D.C. [Ghosts of DC]

Metro sustainability initiative aims to boost ridership 25 percent by 2025. [PlanItMetro]

GSA looks to consolidate Independence Avenue buildings. [WBJ]

Want to know how you’ll be affected by school boundary changes? There’s an app for that. [GGW]

A quantitative assessment of homelessness this winter. [DCist]

Anacostia Park gets an outdoor fitness center. [WJLA]

How D.C. beat Prince George’s County in luring CBS Radio. [WBJ]

Today on the market: Cubist Brightwood townhouse—-$669,900