The Arizona Department of Transportation says all lanes of U.S. 93 are reopened after a couple of big crashes.

PHOENIX — Several highway improvement projects in northern Arizona are set to begin this summer. One of those projects will cost $106 million. Transportation officials are working to create a traffic ...

JACOB LAKE, AZ — Crews are making containment progress on the White Sage Fire, which is burning in northern Arizona near the destructive Dragon Bravo Fire. The White Sage Fire is burning near Jacob ...

PHOENIX — Two wildfires burning through northern Arizona since early July prompted two weeks of traffic closures, which were lifted Thursday, officials said. US 89A is now open, though crews remain ...

Arizona may become the only state without maximum speed limits on some highways, as Rep. Nick Kupper proposes a pilot project to test the idea.