[header] How to get through a dui checkpoint [title] Avoid the checkpoint if possible. [step] You aren't legally required to go through a checkpoint if you see one up ahead. Instead, you can pull onto a side road or do a u-turn, if legal. 
[substeps] Don't break the law to avoid the checkpoint. For example, you must use proper turn signals, drive at a safe speed, and observe all other traffic laws.