First, get to safety and call 911 to ensure there is an official police report....

https://wiki-coast.win/index.php/How_Do_I_Know_If_I_Have_a_Personal_Injury_Claim_After_a_Crash%3F

First, get to safety and call 911 to ensure there is an official police report. Always seek a medical checkup immediately, even if you feel fine. Document the scene with photos and gather contact info from any witnesses