$6.5 million in electronic speed limit signs, dust detection sensors, weather radar, speed feedback signs, and overhead message boards are now in place to help blind drivers make better decisions.
ADOT saved the money quote for the end of the story.
None of the technology can replace common sense when it comes to driving in dust storms.
Read all about it here.
https://azdot.gov/adot-news/first-its-k ... et-monsoon