The Brief
- The powerful monsoon storm on Aug. 25 tested a dust detection system installed by the Arizona Department of Transportation.
- ADOT implemented the program on a stretch of the I-10, between Phoenix and Tucson.
- “The system worked as designed by sensing that visibility was reduced, and then it activated those variable speed limit signs, and it dropped the speed limit down from the regular 75 miles per hour to 35 miles per hour,” said an ADOT spokesperson.
PHOENIX – The Arizona Department of Transportation’s dust detection system, a pilot program unlike any other in the country, faced one of its first real tests during a powerful monsoon storm on Monday, Aug. 25.
The backstory:
Installed five years ago, the system is designed to prevent catastrophic crashes during dust storms when visibility can suddenly vanish.…