Seattle Tunnel Marks Milestone in Mission to Control Overflows Aug 11, 2023 | Flooding & Watersheds A 408,000-kg (900,000-lb) tunnel-boring machine emerged into a drop shaft in northern Seattle... Read More
Houston Eyes $30 Billion Tunnel Project to Avoid Future Flooding Jul 25, 2022 | Flooding & Watersheds The Harris County Flood Control District (HCFCD) is considering a massive, underground tunnel... Read More