zipper merge
Does merging present a dilemma for you? Then let us introduce the zipper merge to help!
Box culvert deck pour
Everything you've ever wanted to know about box culverts, but were too afraid to ask!
Loop 202 Santan Lindsay Interchange
A new interchange is coming to the Loop 202 Santan Freeway and Gilbert just kicked off the construction in style while still being safe.
Butterflies on SR 189
Does the new interchange at SR 189 and I-19 give you butterflies too? Learn why and how monarch butterflies are being incorporated into the design.
I-10 and Houghton
The project to bring southern Arizona its first diverging diamond is moving fast, both to complete the work and to minimalize impact for drivers.
TBT Thomas Road paving
What can you gleam from this photo of roadwork from the 1930s?
TBT Mule grading
Here's a photo that reminds us why we are happy working in these mechanized times.
I-17 portable signs
The important ongoing project to reconstruct the Interstate 17 bridge over Central Avenue south of downtown Phoenix remains in...
ADOT Kids construction zone maze
If you love construction, work zones and freeways, we have a word search and maze for you to complete.


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