After a crash, prioritize safety and move off the road. See a doctor...

https://wiki-saloon.win/index.php/What_if_My_Car_Accident_Happened_on_a_Busy_Texas_Highway%3F

After a crash, prioritize safety and move off the road. See a doctor immediately, as adrenaline often masks injuries. Call the police to ensure an official report exists. Document the scene with photos and gather witness contacts