ADOT Blog: A plank road was once the way between Yuma and San Diego

Arizonans think nothing of a quick weekend drive from Phoenix to San Diego’s beaches in about six hours. But a century ago, that trip could take the better part of two days across primitive roads and nearly impassable sand dunes.

Horses were more reliable for traversing sand dunes until enterprising road builders came up with a boardwalk for motorcars in 1915.

That’s right. Early adopters of horseless-carriage technology built a road of wooden ...

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No state highway construction closures over Thanksgiving weekend

State, local agencies emphasize safe driving, planning ahead 

Over Thanksgiving weekend, state and local agencies will focus on keeping motorists safe and placing equipment and resources along heavily traveled highways to help move traffic should incidents occur.

Motorists will play key roles in keeping traffic moving, too, by making smart driving decisions that won’t result in serious crashes that ruin road trips and create travel delays. Drivers are urged to use caution over the holiday weekend in existing work zones ...

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Governor’s Office of Highway Safety grant boosts ADOT crash-data gathering

Grant helps data collection and management

A grant from the Arizona Governor’s Office of Highway Safety is helping the Arizona Department of Transportation collect fuller and more accurate vehicle crash data that, in turn, will help transportation engineers, law enforcement and researchers examine trends and causes of fatalities and serious injuries.

The $389,520 grant provides critical financial support for ADOT’s Crash Records Unit, including annual licensing fees to use Traffic and Criminal Software (TraCS), a data collection and management tool. ...

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Public hearing scheduled Wednesday, Nov. 29, on Interstate 15 Virgin River Bridge No. 1 rehabilitation

Draft Environmental Assessment is available for review and comment

The Arizona Department of Transportation and the Federal Highway Administration have scheduled a public hearing on Wednesday, Nov. 29, for the public to learn about and comments on the draft Environmental Assessment (EA) for the I-15 Virgin River Bridge No. 1 bridge rehabilitation project, near Littlefield and Beaver Dam in Mohave County.

  • Public hearing is scheduled for 6 to 8 p.m., Wednesday, Nov. 29, ...
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Public comment period begins today for North-South Corridor environmental study

Tell us what you think about the newest proposed alternative corridor options

As the North-South Corridor environmental study progresses with some changes to the proposed corridor alternatives, the Arizona Department of Transportation, in coordination with the Federal Highway Administration, is now seeking comments on the options from the public and agencies.

There have been several changes to the study since 2014, when the last formal public comment period was held. Most notable is the switch to a different environmental review ...

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ADOT publishes Tentative Long-Range Transportation Plan

Public invited to comment on plans for bridges, highways out to 2040

After two years of research and analysis, the public now has the opportunity to comment on the Arizona Department of Transportation’s draft long-range plan, outlining strategies for meeting the state’s highway and bridge needs over the next 25 years.

ADOT’s Tentative Long-Range Transportation Plan, which is required to be updated every five years, is available for comment through Dec. 21 and can be reviewed at  Continue Reading →

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ADOT publishes Tentative Long-Range Transportation Plan

Public invited to comment on plans for bridges, highways out to 2040

After two years of research and analysis, the public now has the opportunity to comment on the Arizona Department of Transportation’s draft long-range plan, outlining strategies for meeting the state’s highway and bridge needs over the next 25 years.

ADOT’s Tentative Long-Range Transportation Plan, which is required to be updated every five years, is available for comment through Dec. 21 and can be reviewed at azdot.gov/WhatMovesYouArizona. ...

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ADOT applies for TIGER grant to expand SR 189 project starting in 2019

$25 million sought would allow construction of all proposed improvements

NOGALES ‒ The Arizona Department of Transportation has applied for a $25 million federal TIGER grant to allow construction of all proposed improvements to State Route 189 in Nogales at the same time, beginning in 2019.

The $25 million Transportation Investment Generating Economic Recovery grant would go toward construction of a southbound flyover ramp at Interstate 19 in addition to the ...

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National association honors Interstate 15 bridge project

ADOT, partners win award for rehabilitation of Virgin River Bridge No. 6

A national industry group has honored the Arizona Department of Transportation’s $30 million rehabilitation of an Interstate 15 bridge through the rugged Virgin River Gorge in far northwestern Arizona.

The American Public Works Association selected the Virgin Bridge No. 6 improvement, completed last year, as Project of the Year among transportation projects worth between $25 million and $75 million, with ADOT as the managing agency, ...

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