Design-build contracts valued at $4.5 billion for the world's longest immersed tube tunnel, between Denmark and Germany, were signed in Copenhagen on May 30. Construction on the 18-kilometer Femernbelt tunnel is set to start in January 2018 and last eight and a half years.

The American Institute of Architects, the AIA Foundation and architect-engineer HOK are joining forces to bridge the gap between research and practice in the area of design and health

Negotiators face tight time pressure to produce final compromise version this year

Contractor groups see big construction potential in converting old federal facilities to private residential and commercial uses.