Central Washington sits on a coastal blend of sand, gravel and clay, where "cut and cover" tunneling offers the cheapest method of shallow excavation. Roadways were closed, pits …

2023年7月11日 · Washington Metropolitan Area Transit Authority officials released new expansion proposals Monday, including plans for a new Georgetown stop and an added …

2018年7月17日 · Have you ever wondered what’s under your feet in the District? Everyone who rides Metro regularly has some sense of where the subway tunnels in the region are, but may …

2018年10月30日 · Washington, D.C., has all kinds of tunnels, from the many miles carved out by Metro to the underground labyrinth that connects the government buildings on Capitol Hill.

The work required the Yellow Line tunnel near L'Enfant Plaza Station and the bridge across the Potomac River to close for approximately eight months. Find project highlights and statistics in …

2023年7月10日 · WASHINGTON (7News) — Metro released new details Monday morning about options for creating a second tunnel between DC and Virginia to relieve logjams on the Blue, …

Washington, D.C.’s federal architects have a special proclivity for underground tunnels. District residents navigate the tubes like human submarines, and rely on their services for basic needs …

2016年10月28日 · Along the Metro tracks just south of Pentagon station, there are two dead-end tunnels that branch off in the direction of Columbia Pike. They were built so Metro could …

2018年9月18日 · Several months ago I set out on a personal project to map all of Washington's varied tunnel systems using the ArcGIS story mapping platform. The final part of the atlas is …

2020年10月1日 · This project was supported by the DC Commission on the Arts and Humanities, which receives support from the National Endowment for the Arts. Copyright Elliot Carter. …