The crews are getting the TBM ready for Seattle. It's gonna bore the 2.7 mile tunnel new sewage tunnel from Ballard to Wallingford.
https://mynorthwest.com/2721668/tunnel-boring-machine-sewage-seattle
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://mynorthwest.com/2721668/tunnel-boring-machine-sewage-seattle
Crews prep boring machine for new sewage tunnel from Ballard to Wallingford
mynorthwest.comHelp Seattle Public Utilities name the tunnel boring machine that will dig a 2.7-mile long, underground storage tunnel from Ballard to Wallingford.