Beginning June 23, certified medical examiners on the National Registry will electronically submit results directly to FMCSA by midnight of the next calendar day. Drivers will no longer submit their MECs directly to MVD after June 22, 2025.
Map showing the SR 95 raised median project from S Palo Verde Road to Industrial Boulevard and from N Palo Verde Road to Price Road

Project Cost: $2,825,500 million 

The Arizona Department of Transportation will begin a highway safety improvement project this summer to install more than 2 miles of raised center median along State Route 95 in north Lake Havasu City.
File photo of paving roller
The Arizona Department of Transportation is kicking off another season of spring and summer projects to preserve and improve highway pavement in Arizona’s high country.
Map image I-40 Transwestern Road to I-17 Variable Speed Limit Signage System
ADOT is installing variable speed limit signs on I-40 between Bellemont and Flagstaff (mileposts 185–195) to help drivers adjust speed during bad weather, crashes, or construction. Construction is expected to begin in summer 2025 and finish by summer 2026.
Loop 101 (Agua Fria Freeway) in northwest Valley (ADOT file photo)
The westbound Loop 101 (Agua Fria Freeway) on-ramp at 35th Avenue will be closed for approximately two months starting late Monday night, May 12. The closure is needed as part of the Loop 101 widening
I-17 Watch for Elk Sign (ADOT File Photo)
Lane restrictions needed for construction of a wildlife overpass along Interstate 17 south of Flagstaff are starting this week (May 12-16). Learn more here.
For this week's episode of On the Road With ADOT, we invited Biology Program Manager Audrey Navarro to talk more about the I-17 wildlife overpass project and its role not only in enhancing safety but habitat connectivity for elk and other wildlife.
A small one lane bridge at the Canyon Lake Marina has been carrying State Route 88 (Apache Trail) traffic since the 1930s.
File photo of I-10 interchange at Orange Grove Road
The Arizona Department of Transportation will hold a public hearing Friday, May 16, on the agency’s recommended statewide program of construction projects for the next five years.
Stepping forward to help reduce trash along state highways is a big win for Arizonans. Meet 39 of ADOT's latest volunteers influencing positive change.