ADOT Blog

Latest blog articles

08/10/2026

Forever linked: The I-10 tunnel and Hance Park have different birthdays

While the I-10 Deck Park Tunnel turns 36, younger "sibling" Margaret T. Hance Park maintains its place as a space for the community to gather.

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08/07/2026

Big freeway construction project is in its early stages south of I-10 in Goodyear

The opening of a well-known travel center featuring a beaver mascot in Goodyear made a lot more news this summer than the start of ADOT’s latest freeway construction project, also in that West Valley city. The project to extend Loop 303...

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Close-up view of textured grooves on a concrete road surface, with blurred vehicles and highway scenery in the background under a partly cloudy sky.

08/05/2026

What is diamond grinding?

You may have heard that diamond grinding is currently being used on the SR 51, I-10 to Shea Blvd pavement project and the pavement improvement projects on the Loop 101 Agua Fria and Pima freeways. But what does that actually mean? Diamond...

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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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05/17/2019

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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