underground transit websites

This tag collects websites about underground transit, including metro ideas, tunnel systems, city transport plans, and infrastructure proposals. Visitors can explore pages that discuss route design, congestion relief, station planning, and construction challenges. The tag helps users find content centered on moving passengers below ground in urban environments.

The Boring Company: Underground Transit and Tunneling

The Boring Company designs and builds low-cost underground tunnels for transportation, utility, and freight applications. The site highlights Loop, an a...