Baltimore's 150-year-old rail tunnel gets the largest grant, $4.7 billion, to alleviate a major rail line bottleneck.

Proposed large transmission builds in New England, four western states and two border states will negotiate funding terms with the US Energy Dept. 

As multi-billion-dollar Coastal GasLink and Trans-Mountain oil line expansion near completion, Canada weighs if the needed energy infrastructure boost will offset high costs and delays.

Regulation of chemical 6PPD, used in tire production, is sought by environmental activists and three tribes regarding salmon protection.

If spending levels contained in House Republicans’ fiscal 2024 transportation appropriations bill become law, the port grant program could face cuts of more than 60%.

Board reinstates a definition of "joint employers" that unions say respects bargaining commitments, but industry employers claim could disrupt project relationships.

The Biden administration is trying to incentivize an increase of affordable housing in underused commercial buildings.

If approved by Congress, added funds for upgrade would prevent and reduce sewage flows and contamination in southern California.

Louisiana Republican is seen as well-versed on military construction issues but voted "no" on the Infrastructure Investment and Jobs Act.

New leader will oversee multi-billion-dollar infrastructure program.