One way ADOT helps safely connect people and empower Arizona's economy is operating commercial ports of entry. This is where officers with our Enforcement and Compliance Division (ECD) make sure large trucks and other commercial vehicles have proper permits and weight and are safe to operate on state highways.

Grogginess, yawning, sluggishness — they’re all signs of fatigue. That fatigue can make it harder to get through a workday, and your motor skills can be impaired. If you drive while drowsy, it could result in a crash. So during Drowsy...