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Flatiron Construction floated an 830-ft-long tied arch span on barges on the Ohio River on April 26. 

Republicans see proposal as an opening offer in hoped-for negotiations with Biden and Senate Democrats.

Robotic arms for tunnel-boring machines, concrete reinforcement made of old wind turbine blades and machine learning to reduce concrete waste are among innovations emerging from the $16.7-billion civil construction program for the U.K.’s London to Birmingham high-speed railroad. Construction began late last year.

Preparatory work is underway for a summer installation of a new concourse at Dallas-Fort Worth International Airport using prefabrication and modular methods—a first for U.S. airports, say officials.

An AGC and Procore analysis of more than a full year of worker-hour data shows construction employment recovering but not yet to pre-pandemic levels.

The $2.3 billion Green Line Extension is trundling towards completion, with the first station in the long-awaited project set to open this fall in Somerville.