Driver who appeared to be under influence of alcohol or controlled substances
Driver who appears to be noticeably ill or fatigued
Truck following too close
Truck changing lanes improperly
Truck driving recklessly
Truck speeding
Truck failing to obey traffic control device
Truck passing improperly
Truck turning improperly
Truck failing to yield right of way
Driver using a hand held device (i.e. mobile phone or tablet)
Truck with unsafe or dangerous equipment
Hazardous Material leaking from the vehicle