Transportation Defined

Chevelon Creek Bridge
2/11/2014

Transportation Defined: Lead Abatement

Crews recently removed lead paint from the 100-year-old Chevelon Creek Bridge near Winslow.
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Transportation Defined
Video
geogrid
1/9/2014

Transportation Defined: Geogrid

You know that there are layers of dirt and rock lie beneath the surface you drive on, but would you guess that some roads are built on top of a special material (in addition to all the dirt and rocks)?
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Transportation Defined
Video
A center lane rumble strip.
9/4/2013

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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Rumble Sticks
Workers spraying concrete curing compound
8/6/2013

Transportation Defined: Curing Compound

No, this photo isn’t an example of ADOT’s latest design “statement.” Despite how it might look, the cement is not being painted a pale pink hue.
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Minibenching on the I-10 Marsh Station project.
7/9/2013

Transportation Defined: Minibenches

No, the stair-step design on the slope at right isn’t just for looks… The “steps” are actually referred to as minibenches and they serve as an erosion and sediment control measure on slopes.
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Mound of reclaimed asphalt pavement
6/18/2013

Transportation Defined: Reclaimed Asphalt Pavement

You’ve likely recycled plastic, glass, paper, maybe even your old electronics, but did you know ADOT recycles its old asphalt pavement?
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Tools used in Time Domain Reflectometry
4/9/2013

Transportation Defined: Time Domain Reflectometry

You might remember that we blogged about inclinometers back in February – they’re the instruments used to measure slope inclination or movement at specific locations ...
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US-89
Transportation Defined
Runaway Truck Ramp sign with arrow pointing up to the right
3/28/2013

Transportation Defined: Truck Escape Ramps

Unless you drive a big rig, truck escape ramps probably aren’t something you think of too often ...
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Close up of road pavement
3/20/2013

Transportation Defined: Pavement Design Life

After 300-plus blog posts, you’d think that by now we’d have covered everything there possibly is to know about pavement ... But you'd be wrong.
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An inclinometer measures slope inclination.
2/27/2013

Transportation Defined: Inclinometers

When engineers suspect a slope or embankment might be moving, they can use an inclinometer to see if their hunch is correct …
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US-89
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