Final answer:
Drivers who are most at risk are those who are fatigued and those who are driving on long, boring roads. Fatigued drivers have slower reaction times and are prone to making mistakes, increasing the likelihood of accidents.
Step-by-step explanation:
Drivers who are most at risk are those who are fatigued and those who are driving on long, boring roads. Fatigued drivers are more prone to making mistakes and have slower reaction times, increasing the likelihood of accidents. Driving on long, boring roads can also lead to driver fatigue and decreased attentiveness due to the monotonous nature of the drive.