ADOT Blog

Latest blog articles

01/18/2026

PODCAST: The partnership driving Phoenix-area freeway improvements

The Maricopa Association of Governments' Chief Transportation Officer returns in this week's episode to discuss how Proposition 400 has shaped the region's sucess through projects such as the recently completed I-10 Broadway Curve improvement, the Loop 202 (South Mountain Freeway), Loop 303 (Estrella Freeway) and State Route 24 (Gateway Freeway).

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01/16/2026

The 10 most popular specialty license plates in Arizona for 2025

Whether a driver wants to support a cause, rep their team or just add a pop of color to their car, with 109 specialty license plates available in Arizona, there’s a little something for everyone. And specialty license plates are more...

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New striping at northbound I-17 exit to Loop 303

01/15/2026

MAG partnership helps ADOT make quick freeway improvements in Valley

A much-needed second lane at the northbound I-17 exit to Loop 303 results from funding flexibility provided by the Maricopa Association of Governments, the Phoenix area's regional transportation planning agency.

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511 Logo Signs: Build your brand – and a road

This summer we are rolling out new highway signs to both promote the 511 phone line, attract business sponsorship and generate funds to maintain roads.

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05/20/2019

With summer here, projects in northern Arizona ramp up

As summer starts again, its now warm enough for work on several road improvement projects in northern Arizona.

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05/19/2019

Where in AZ??

We're asking you to identify the location of a two-lane highway in today's "Where in AZ??" challenge.

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05/17/2019

Infrastructure Week: It requires attention, care and support to help grow our future

ADOT Director John Halikowski explains why everyone needs to realize the importance of infrastructure and protect its value by making investments for the future.

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05/15/2019

From the Director: Voting open for ADOT Safety Message Contest

The entries are reminders that the best way to make roads safer is changing our own driving habits and encouraging those around us to change theirs.

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A white semi-truck drives under a concrete overpass under construction, with cranes and unfinished sections visible; blue sky with scattered clouds above.

05/15/2019

Infrastructure Week: Keeping traffic flowing is a straddle bent's job

When a pier needed to support a ramp would otherwise need to be in the middle of travel lanes below, ADOT engineers call on this support structure that straddles traffic.

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