From the Archive

Hiway Drumbeats article July 1970 lightning road signs
6/4/2021

From the Archive: The ultimate vandal

We do a lot to prevent and clean up graffiti and other acts of vandalism, but what do you do when the vandal is a little more extraordinary?
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Signs
From the Archive
April 1977
7/12/2018

Throwback Thursday: Testing pavement friction in 1977

We're going back to 1977 and showing you a unique vehicle used to test the wet friction characteristics of a road.
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From the Archive
NewsBeat, 1986
3/9/2018

From the Archives: Engineer-In-Training program

We're taking you back to the beginnings of the Engineer-in-Training program.
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Engineering
From the Archive
Mixing oil for 19th Ave, 1934
1/18/2018

From the Archives: Road work in the 1930s

We dug up a photo of a road crew at work in the 1930s!
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From the Archive
I-15 Construction mid-60s
1/11/2018

From the Archives: Construction through the mountains of northwestern Arizona

Road construction can be a challenge on a good day, but is especially challenging when building a road through the mountains.
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From the Archive
I-15
Black and white aerial view of I-19 from 1964
1/4/2018

From the Archives: Aerial view of Interstate 19

We're taking it back to the mid-60s today and construction of the only highway in the country still using the metric system.
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From the Archive
I-17 south of Thomas Rd
12/6/2017

From the Archives: Interstate 17 in downtown Phoenix

While a lot has changed on I-17 in downtown Phoenix, a few things have endured over the years.
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From the Archive
Black Canyon Highway and Thomas Road in 1960
11/16/2017

From the Archives: Black Canyon Highway at Thomas

Our blog series "From the ADOT Archives" takes you back to downtown Phoenix in 1960.
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From the Archive
Mapping in the 1970s
10/25/2017

From the Archives: Mapping in the '70s

Advances in mapping and cartography parallel those in technology.
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From the Archive
1971 Road Sign: "Are you putting me on?"
7/31/2017

From the Archives: 1970s safety messages

Many have taken notice of the safety messages on ADOT's overhead message boards, but the agency has been trying to get drivers' attention for many years.
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From the Archive

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