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  • Transportation Defined: Passive Acoustic Device

    January 19, 2012
    You've probably never gotten a good look at the Passive Acoustic Devices (PAD) out on the freeways … they're easy to miss. PADs are small objects that sit near the top of utility poles and are barely visible to drivers below, but they collect a lot of useful data.

  • Work starts on Loop 303/I-10 interchange

    January 18, 2012
    If you’ve been following our Building a Freeway series, you should be pretty familiar by now with much of the work that’s happening out on the Loop 303.

  • Transportation Defined: CCTV Cameras

    January 13, 2012
    Maybe you've noticed some of the cameras that are perched high above the roadways ... These are Closed Circuit Television (CCTV) cameras and are used by ADOT's Traffic Operations Center (TOC) to constantly monitor traffic conditions throughout the state.

  • Adopt a Highway volunteers are appreciated

    January 12, 2012
    We’re thankful for the approximately 1,570 volunteer groups who currently adopt an Arizona highway. It’s hard to believe, but roughly 335 of the groups have been volunteering for more than 10 years and of those, 50 have been with Adopt a Highway for more than 20 years!

  • Travel demand models help plan for the future

    January 11, 2012
    Short of a time machine, travel demand models might just be the next best thing for taking a glimpse at the future of our transportation system. So, what is a travel demand model?

  • Transportation Defined: Controller Cabinets

    January 9, 2012
    Have you ever spotted something on the highway and wondered, ‘what is that and why is it there?’ If you have, the ADOT Blog is here to help you find the answer!

  • Construction under way on new Cordes Junction interchange

    January 5, 2012
    Those of you who have ever taken I-17 north or south through our state probably are pretty familiar with the Cordes Junction traffic interchange. It’s the one that sits right between Flagstaff and Phoenix and serves about 13,000 vehicles a day (that’s in addition to the more than 27,000 vehicles that travel daily on I-17 at the junction of SR 69).

  • ADOT takes a look back at 2011

    January 3, 2012
    The new year officially is here, but before we dive into 2012 we’re going to take a quick look back. ADOT’s Public Information/Media Relations team came up with a great list of the state’s major transportation accomplishments from 2011 and we thought we’d share it here on the blog!

  • Happy holidays!

    December 23, 2011
    2011 is quickly wrapping up and what a year it has been! Here at the ADOT Blog, we’ve enjoyed being able to showcase some of the interesting and exciting things that have happened at the Arizona Department of Transportation this year.

  • SR 143 construction surpasses half-way mark

    December 21, 2011
    The improvements to SR 143 are really coming along. In fact, construction now is about 64 percent complete!

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