Is it legal to ride in the back of a pickup truck in Illinois?

In Illinois, it is generally illegal for anyone under the age of 18 to ride in the back of a pickup truck on public roads. For adults, while there is no statewide law prohibiting riding in the back, it is advised to check local ordinances as some municipalities may have their own regulations. Additionally, safety concerns are significant, as riding in the back of a pickup can be dangerous in the event of an accident.