The legal duties every state imposes on a driver involved in a crash - to stop, to exchange information and to help anyone hurt - and the separate criminal offense of driving away instead.
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A driver involved in a collision - with another vehicle, a pedestrian, a cyclist, or unattended property - is required by every state to stop at or near the scene, to give their name, address, vehicle registration and (on request) license and insurance details to the other party or the police, and to render reasonable assistance to anyone injured, which at minimum means summoning help. Where the other party is not present, as with a parked car, the duty is typically to leave a note and report the collision. Fault is irrelevant to these duties: a driver who did nothing wrong in the collision commits the offense by leaving.
Leaving the scene is a criminal offense in its own right, separate from any charge arising from the crash itself. Its grade depends on the harm: leaving after property damage is generally a lesser offense, while leaving after an injury or death is a serious crime in every state, often a felony, and frequently punished more heavily than the underlying crash would have been. A conviction also brings license consequences and, for insurance purposes, may allow an insurer to deny coverage.
The offense requires knowledge - that a collision occurred, or that it was reasonably apparent. A driver who genuinely did not know they had struck something is not guilty of leaving, though what a driver "should have known" is often the contested question, and returning to the scene or reporting promptly matters both to the charge and to how it is treated.
If you have left a scene, even a minor one, the sequence in which you report, speak to police and speak to your insurer matters, and it is one of the situations in which talking to a lawyer first is the practical course rather than the evasive one. If you were the person hit, an uninsured-motorist claim on your own policy is often the route to compensation when the other driver is never found.
Worried about the cost? A lawyer can be hired for one part of a case only (limited-scope representation), may be paid from what a claim recovers (contingency fee), or may be free through a pro bono program or legal aid; a court can also waive its own filing fees.
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Other entries in the same area of law, each written from the same primary sources.