John Hennessy III,
P.E.
ADOT is injecting foam deep underneath the pavement as a way to smooth out dips on Arizona highways, including the Loop 101 Pima Freeway. This method is more cost efficient than ripping out old pavement, re-compacting the sub-grade, and placing new concrete or asphalt.
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Wildlife crossings are not only for the safety of wildlife. ADOT wants to keep the driving public safe as well. A wildlife strike can be fatal and cause significant property damage. In this video, we focus on the Sonoran Desert Tortoise-and ADOT’s first-ever multi-agency Candidate Conservation Agreement.
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Arizona Department of Transportation Employees give an update on the ongoing project east of Superior, AZ.
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In accordance with the Migratory Bird Treaty Act, ADOT takes measures to prevent the disturbance of active nests within the right of way. This video highlights how ADOT maintains its roads and structures while also taking care of the surrounding natural resources.
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US 89 in northern Arizona is now open for travel. ADOT has completed an extensive $25 million repair of the landslide damaged roadway, removing approximately one million cubic yards of rock material, realigning the roadway, and constructing a rock buttress at the base of the slide.
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In order to reconstruct the landslide-damaged roadway on US 89 between Bitter Springs and Page, ADOT contractors will move nearly one million cubic yards of rock down slope to build a stabilizing buttress.
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All four major ramps of the I-10 and L303 traffic interchange are now open.
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Arizona DOT’s Science of Transportation series takes you into a Phoenix materials lab to show you the process of sieve analysis: taking ground samples from future sites of structures or roadways and figuring out just what ADOT will be building on.
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Prior to any sort of construction, ADOT must complete environmental surveys of the entire project area. Right now, ADOT is evaluating the US 89 project area to see if there are any archaeologically significant sites in the right of way. -ArizonaDOT on YouTube
View this complete post...The US 70 Gila River Bridge near Bylas, Arizona is the state’s fourth longest bridge, measuring 1,829 feet in length. ADOT has replaced the original bridge, built in 1957, with a new bridge. The $12.7 million project features wider travel lanes, emergency shoulders and a pedestrian walkway. – ArizonaDOT on YouTube
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