Northbound Loop 101, the Pima Freeway, will be closed between Shea Boulevard and Princess Drive/Pima Road from 10 p.m. Friday ...

Arizona representative proposes bill to use speed-inhibitor devices for frequent speeders, aiming to make roads safer and ...

Jacobs and Sundt Construction have begun work on a $600 million improvement to Tucson's I-10, the largest highway project in ...

State and local agencies in Arizona are pushing forward with electric vehicle initiatives, installing charging stations and converting fleets to electric.

PHOENIX — A crash that caused a car to catch on fire halted traffic on I-10 on Saturday night, according to officials with the Department of Public Safety.

ADOT completed a $7.3 million pavement rehabilitation on State Route 377 in Northern Arizona, improving 20 miles of highway and minimizing travel disruption.

PHOENIX — A Department of Public Safety unit and a civilian car collided in north Phoenix on Friday night, according to ...

The Arizona Department of Transportation has announced the closure of northbound Interstate 19 due to a crash near Sahuarita Road, south of Tucson.

Part of State Route 87, the main route from Payson to Phoenix, was closed after a crash Thursday morning, authorities said.

State transportation officials are moving ahead with a three-phase buildout plan designed to close gaps in charging access ...