tunneling technology

New SR 99 Deep Bore Tunnel Project Fact Sheets And Maps From WSDOT

Two community open houses were held earlier this week, in Ballard and West Seattle, by the Washington State Department of Transportation, King County DOT, and the City of Seattle DOT. At the events, WSDOT made available some new fact sheets and maps to help answer questions about the inland downtown deep bored tunnel picked to replace the earthquake-prone Alaskan Way Read More ›