DOT Completes Review of Draft EA for DC-Baltimore Loop Project

The Boring Company’s website for the project indicates the two tunnels would be constructed at least 30 feet below ground and the project initially would be a high-speed underground public transportation system in which passengers are transported in autonomous electric vehicles traveling at up to 150 miles per hour.
Source: https://eponline.com/articles/2019/04/19/dot-completes-environmental-assessment.aspx