Move to safety and call the police immediately. Get a medical checkup, even if...

https://www.expertlawfirm.com/what-to-do-after-a-car-accident-in-texas-a-step-by-step-legal-and-practical-guide/

Move to safety and call the police immediately. Get a medical checkup, even if you feel fine. Take photos and grab witness contacts. Watch what you say at the scene and don't sign insurance papers yet. Remember the two-year Texas claim deadline.