Red Flag Warning

from SAT 11:00 AM MST until SAT 7:00 PM MST, Lake Mead National Recreation Area/Colorado River-AZ side, Northwest Deserts/Northwest Plateau

Red Flag Warning

until THU 8:00 PM MST, Lake Mead National Recreation Area/Colorado River-AZ side, Northwest Deserts/Northwest Plateau

Red Flag Warning

from FRI 12:00 PM MST until FRI 8:00 PM MST, Lake Mead National Recreation Area/Colorado River-AZ side, Northwest Deserts/Northwest Plateau

Excessive Heat Warning

from FRI 11:00 AM MST until FRI 7:00 PM MST, Grand Canyon Country

Air Quality Alert

until THU 9:15 PM MST, Maricopa County, Pinal County

Diverging Diamond Interchanges being built in Phoenix

Published July 21, 2017

As Arizona works on ways to prevent wrong-way crashes, they are also working to get rid of certain roundabouts in the Valley, and replace them with a type of intersection known as "Diverging Diamond Interchanges".

FOX 10's Courtney Griffin reports.