The East West Trunk & South Conveyance project consists of 1.5 miles of 14.5-ft stormwater tunnel and seven junction/access shafts designed to convey water from the central to the south detention basin. Part of the O’Hare 21 expansion, the tunnel supports the construction of the new O’Hare Global Terminal.
Turner Paschen Aviation Partners
Chicago, IL
2025
$137.1 million
Design-Bid-Build