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On the Road With ADOT logo
10/05/2025

PODCAST: Traffic engineering's role in safely connecting Arizonans

Where do speed limits come from? How are highways engineered, signed, striped, etc., to maximize safety? To explain these and other aspects of state highways, we're pleased to have State Traffic Engineer Kerry Wilcoxon as this week's On the Road With ADOT guest.
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Adopt a Highway
10/01/2025

Volunteers bag 1.8 tons of litter on National CleanUp Day

See Adopt a Highway volunteers across Arizona caught in the act on National CleanUp Day 2025.
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Specialty plates featured in September.
09/30/2025

September recap: Specialty Plate Spotlight

ADOT has more than 100 specialty license plates featuring a range of worthy causes or charities. To boost awareness, we showcase one specialty license plate each week on social media. We call this the "Specialty Plate Spotlight" and here are the plates that were featured in September.
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09/06/2013

From the ADOT Archives: Interstate 17 public meeting

These photos are almost 41 years old and show us that on Sept. 20, 1972, the Arizona Highway Department (now known as ADOT) held a public meeting in Camp Verde to discuss Interstate 17.
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09/04/2013

Transportation Defined: Rumble Strips

If you’ve ever drifted a little too far outside a travel lane, only to be jolted back to attention with a not-so-subtle shake, you know what rumble strips are.
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08/30/2013

DPS, ADOT to focus on I-17 north of Phoenix as 'Safety Corridor' over Labor Day weekend

Interstate 17 north of the Phoenix area, one of the busiest highways at the start and end of the Labor Day weekend, will be the focus of a safe-driving campaign starting today (Aug. 30).
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08/29/2013

ADOT participates in joint-agency inspection of fuel distribution locations and gas stations

Last month, ADOT participated in a multiagency enforcement detail focused on determining if retail gas stations are adhering rules, laws and regulations governing taxation and quality of fuel sold for use in motor vehicles.
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08/28/2013

Newly paved US 89T set to open with restrictions

ADOT is set to open the newly paved US 89T tomorrow, Aug. 29, albeit with some restrictions. Until construction and fencing is completed, the roadway will be open only during daylight hours (except for local residents) and there will be a 25 mph speed limit.
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08/27/2013

ADOT completes study on economic impact of bicycling in Arizona

A new study by ADOT finds that out-of-state bicycle tourists and customers bring in a significant amount of money to our state’s economy each year.
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08/22/2013

A look at ADOT's Sign Shop

The ADOT Sign Shop is one very busy place. Nearly 35,000 signs were created there during last fiscal year alone – that averages out to almost 3,000 signs each month!
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Man painting road sign in the shop
08/21/2013

From the ADOT Archives: The Sign Shop

How important are all the signs posted along Arizona’s highway system? Well, we’d literally be lost without them.
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08/20/2013

There’s a lot riding on your tires, including your safety

Did you know that your safety, and the safety of your passengers and other drivers, could be riding on your tires?
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08/16/2013

Welcome to the new ADOT Blog

If you’re reading this post it means you’ve found the ADOT Blog’s new home! So, what do you think? We really like the new space and hope you’ll take some time to look around and see how the entire ADOT website has been redesigned with you in mind.
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