The Arizona Department of Transportation has installed more than two dozen new signs along a portion of Interstate 17 as part of an ongoing effort targeting errant, and often impaired, drivers.

The new speed limit would take effect when ADOT replaces the current 55 mph signs along the I-17 freeway between the Interstate 10 interchange and Peoria Avenue. This was expected to be completed ...

PHOENIX — State officials have signed a contract with a developer team for the construction of additional lanes and other improvements along a 23-mile stretch of Interstate 17 often clogged with ...

The Arizona Department of Transportation has activated six electronic signs to notify drivers of their speeds; signs are placed along Interstate 17 between Black Canyon City and Sunset Point.

PHOENIX — Crews are scheduled to resurface Interstate 17 between Carefree Highway and Anthem Way in a project that starts this weekend. The improvements won’t require immediate lane ...