ADOT received a $566K federal grant to develop a GIS-based tool for mapping wildlife-vehicle collision hotspots to improve ...

Federal and state transportation agencies will halt planning activities for a proposed 280-mile highway between Nogales and Wickenburg in response to a lawsuit brought by conservationists.

Uncertainty reigned as state and local officials scrambled to determine the effects of President Trump's Tuesday directive ...

President Trump's decision to suspend already-approved federal funds for some projects could set back plans to widen ...

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled ...

The White House put a pause on some federal grants and loans. But late Tuesday a federal judge issued a stay on that finance ...

The buyouts could significantly affect Arizona ... such as the Federal Bureau of Prisons, the Federal Aviation Administration or the Transportation Security Administration, which is responsible ...

Arizona Department of Transportation spokesperson Steve Elliot said the Federal Highway Administration has "indicated it will continue reimbursements and authorizing projects unless further guidance ...