Construction

Pavement preservation microseal State Route 69
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.
Five-Year Plan transportation from the director highway funding
We want your help planning highway projects. The deadline to comment on our tentative Five-Year Plan ends tomorrow!
Paving I-40 pavement preservation Five-Year Program
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.
Jeremy and Kailey Moore I-10 Houghton interchange reconstruction deck pour Tucson
For this 11-year-old interested in engineering and architecture, there was nothing better than going to the office with Dad.
ADOT investment I-40 paving bridges improvements
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.
Justin Herman, highways director 1956-73
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.
zipper merge
Does merging present a dilemma for you? Then let us introduce the zipper merge to help!
Box culvert deck pour
Everything you've ever wanted to know about box culverts, but were too afraid to ask!
Loop 202 Santan Lindsay Interchange
A new interchange is coming to the Loop 202 Santan Freeway and Gilbert just kicked off the construction in style while still being safe.

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