The Boring Company propose DC to Baltimore Loop project

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Something The Boring Company is calling 'Loop' is being proposed to various government agencies in the Maryland and Washington D.C. areas. This would bring a twin tunnel system between D.C. and Baltimore which would be a main route for a potentially expanded future network.

Which agencies are involved exactly? Apparently a lot of them are involved in this type of thing according to TBC:

• Federal Highway Administration
• Federal Railroad Administration
• National Park Service
• US Army Corps of Engineers
• National Capital Planning Commission
• US Environmental Protection Agency
• DC Department of Transportation
• Baltimore City
• Maryland Department of Transportation
• Others - many federal/state/local agencies and bodies

According to their FAQ, Loop differs from Hyperloop in that it uses electric skates to propel its passengers at a rate of 125-150 miles per hour instead of the electric pods of a Hyperloop traveling at 600+ mph. Both methods of transportation will transport 8-16 passengers or a single vehicle, the defining difference seems to come down to a vacuum being applied to the tunnel or not.

While the Loop does not draw a vacuum, it's tunnels are apparently compatible with Hyperloop requirements, meaning a future expansion could mean an upgrade one day to full blown Hyperloop capability.

The tunnels would be at least 30 feet deep, 12-24 feet in diameter and construction would take approximately 1-2 years if approved.