Illinois Driving Permit Practice Test

Which type of vehicle is typically represented by the warning sign "slow-moving vehicle"?

1. Emergency vehicle

2. Delivery truck

3. Bicycle

4. Tractor

The correct answer is: Tractor

The warning sign for a "slow-moving vehicle" typically represents vehicles that travel at slower speeds than regular traffic. This is particularly important for tractors, which are commonly used in agricultural activities and often operate on public roads. Since tractors can only reach limited speeds compared to other vehicles, the warning sign alerts drivers to exercise caution and maintain a safe distance. While emergency vehicles, delivery trucks, and bicycles can sometimes be slower than other traffic, they do not uniformly represent the category of slow-moving vehicles as defined by traffic safety standards. Tractors specifically fall into this classification, making them the correct answer for this question.