Dust Detection

Variable speed limit corridor sign
Interstate 10 drivers between Eloy and Picacho Peak should expect something very different this summer when storms hit: reduced speed limits, speed feedback signs and new overhead boards that display urgent safety messages.
Director FY 2018 accomplishment list
With fiscal year 2019 now behind us, ADOT Director John Halikowski talks about what the agency has crossed off it's to-do list.
Dust detection sign from 1976
Building on efforts across the decades, we’re working on a dust detection and warning system on I-10 near the community of Picacho.
Dust detection system
In addition to the work on I-10 and SR 87 near Eloy, we are also installing a first-in-the-state dust detection system.
New westbound lanes of I-10 open near Eloy.
The shift comes almost a year to the day since we began clearing and grubbing to make room for a new, wider stretch of I-10, with three lanes in each direction.
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