https://www.washingtonpost.com/news/dr-gridlock/wp/2017/10/19/elon-musks-east-coast-hyperloop-will-launch-digging-in-maryland-state-and-company-say/

The digging will start near Fort Meade, in Anne Arundel County, but there are few other details. Musk says the high-speed pod-and-tube transportation system will be able to make the trip between New York and Boston in 29 minutes.