It's against the law for a driver to operate an open bed truck or pull an open bed trailer when what kind of passenger is occupying the bed of the truck or trailer? under the age of 15 under the age of 8 under the age of 16 under the age of 18

## Step 1<br />This problem is related to traffic laws, specifically those concerning the operation of open bed trucks or trailers. The question asks for the age of a passenger who is not allowed to occupy the bed of such a vehicle while the truck or trailer is in operation.<br />## Step 2<br />The options provided are: under the age of 15, under the age of 8, under the age of 16, and under the age of 18.<br />## Step 3<br />The correct answer is "under the age of 18". This is because, according to traffic laws, it is illegal for a driver to operate an open bed truck or pull an open bed trailer when a passenger under the age of 18 is occupying the bed of the truck or trailer.