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How do traffic engineers determine speed limits?

US 80

Gone but not forgotten: The history of US 80

Aerial view of I-10 interchange south of Phoenix

Transportation Board OKs five-year construction program update

Valley freeways: A glance at '25 and glimpse at '26 projects

ADOT worker aids flood rescue: 'That kid needed to get to the hospital ASAP'

Adopt a Highway is part of Curtis family tradition

Friday Five: Get to know the 'hero of the day'

Flashback Friday: In Yuma, 'reaping the reward of work well done'

Reopening Texas Canyon Rest Area continues facility upgrades statewide

ADOT engineers improve way to prepare for highway projects