Infrastructure was a beacon for the construction industry in 2023, with backlog growing all year. Funds from the federal Infrastructure Investment and Jobs Act funds flowed and the White House finalized Davis-Bacon Act updates and Build America, Buy America regulations.

Sections of I-95 in Philadelphia and I-10 in Los Angeles crumbled from fires but were rebuilt in a flash. Meanwhile, flooding, wildfires and extreme heat are increasingly impacting infrastructure and spurring a sharper focus on resilience.

From airport expansions to dam removals and legal wranglings, here are the infrastructure stories that were most popular with readers this year.