Transportation Defined

Movement detection devices embedded in the roadway.
2/1/2012

Transportation Defined: Loops

There's a lot of useful information to be obtained from our roadways and loops help ADOT collect some of that data.
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Transportation Defined
Passive Acoustic Device
1/19/2012

Transportation Defined: Passive Acoustic Device

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.
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Transportation Defined
CCTV cameras
1/13/2012

Transportation Defined: CCTV Cameras

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.
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Traffic Cameras
Transportation Defined
Controller Cabinet
1/9/2012

Transportation Defined: Controller Cabinets

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!
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Transportation Defined

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