タグ - portland tunnel

Seymour Civil Engineering: Engineering the North East  Business Up NorthKevin Byrne, Managing Director of Seymour Civil Engineering, believes that the North East is the definitive birthplace of modern engineering and it is here that ... Read more
Admin 20.08.2019 0 61

Portland Transit Tunnel Concept Under Exploration | 2019-08-19 | Engineering News-Record  Engineering News-RecordA Metro and TriMet-led discussion about future solutions for mass transit throughout Portland led to the concept of a tunnel under th
Admin 19.08.2019 0 82

Portland Transit Tunnel Concept Under Exploration | 2019-08-19  Engineering News-RecordA Metro and TriMet-led discussion about future solutions for mass transit throughout Portland led to the concept of a tunnel under the Willamette River in ...
Admin 19.08.2019 0 96