Under what circumstances can you make a U-turn in Illinois?

U-turns in Illinois are generally permitted as long as they are performed safely and without disrupting the flow of traffic. This means that unless there are specific signs indicating that U-turns are not allowed in a certain area, drivers can proceed with making a U-turn when it is safe to do so.

Safety is paramount during these maneuvers; thus, the driver must ensure that their actions do not cause any hazards to other road users. This includes checking for oncoming traffic and making sure that the U-turn can be completed without creating a dangerous situation.

The other options present limitations that do not accurately reflect the regulations regarding U-turns. For instance, stating that U-turns are always illegal does not recognize the fact that they are allowed in many situations. Similarly, restrictions such as only allowing U-turns at traffic signals or suggesting that they are permissible everywhere except on expressways do not align with the more flexible regulation that allows for U-turns as long as it's safe and not posted otherwise.