Construction

When time permits here at the ADOT Communications factory, I like to dive into the State Library, Archives and Public Records Arizona Memory Project and look at old photos of highway projects, equipment, people, etc. The other day, I came...

Piece by piece, the Gila River bridge on State Route 79 is sliding into place.

We mention it a lot, but what is pavement preservation? We break down the work and considerations that goes into maintaining Arizona's highways and freeways.

We want your help planning highway projects. The deadline to comment on our tentative Five-Year Plan ends tomorrow!

Did you know ADOT invested half a billion dollars in pavement preservation over the last five years? And we don't plan on slowing down anytime soon.

For this 11-year-old interested in engineering and architecture, there was nothing better than going to the office with Dad.

Let us just take a moment to say how much we love I-40. How much, you might ask? Oh, we love it to the tune of $275 million.

History will most likely remember the late Justin Herman, Arizona Highway Department director from 1956-1973, as the energetic leader who shepherded in the modern state freeway system, including the Black Canyon (I-17), Superstition (US 60) and Maricopa (I-10) freeways.

Does merging present a dilemma for you? Then let us introduce the zipper merge to help!