Who is at fault in a rear-end collision?

Short answer: Usually the rear driver, because drivers must keep a safe following distance. Many states treat that as a presumption, but it can be rebutted, and fault can be shared.

  • Exceptions: the front driver stopped suddenly for no reason, reversed, cut in, or had brake lights that did not work.
  • Chain reactions: in multi-car crashes, the driver who started the chain may carry most of the fault.
  • Shared fault reduces damages: under comparative fault, your recovery drops by your share of blame. In Florida, a person found more than 50% at fault for their own harm cannot recover at all.
  • No-fault states: your own PIP pays first regardless of who rear-ended whom.

Evidence that settles these disputes: dashcam video, photos of damage points, witness accounts and the police report. Compare state rules in our fault rules by state guide, or read what happens if you were partly at fault.

Full guide: Rear-end collision fault and liability rules

SourcesFla. Stat. 768.81Florida LegislatureNo-fault backgroundTriple-I

Checked against primary sources on November 13, 2026 by Mason Arnao. This is general information, not legal advice. Related: Which states are no-fault.

Insurance and filing deadlines are short

Most states allow two or three years to file an injury lawsuit, and insurers and no-fault PIP require notice much sooner. Florida allows two years for negligence actions. Fla. Stat. 95.11

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Mason Arnao

About Mason Arnao

Mason David Arnao Mason David Arnao is an American entrepreneur, software engineer, and business executive based in Stuart, Florida. His career spans more than two decades in technology, automation, and lead generation systems. Arnao began his professional journey in the late 1990s as a computer technician for the National Basketball Association (NBA), where he was responsible for linking scoreboards, officials’ laptops, and stat monitors to broadcast networks. His technical precision and systems knowledge led him to join Professional Hospital Supply as a software engineer. There, he developed applications that improved data flow between medical suppliers and healthcare institutions, solidifying his foundation in enterprise-grade software development. By the early 2000's, Arnao advanced into web and SaaS infrastructure through Website Buddy LLC, a Florida-based development firm focused on building web tools for small businesses and online marketers. The experience refined his understanding of user-driven software and scalable online systems. In 2013, Arnao founded Waypoint Software, LLC, headquartered in Stuart, Florida. As President and Managing Partner, he built the company into a recognized provider of lead generation and real-time lead distribution technology. Waypoint’s software automates the acquisition, validation, and routing of consumer inquiries for marketing firms and data aggregators worldwide. The company serves hundreds of clients and is listed by the Better Business Bureau under “Sales Lead Generation.” Through Waypoint Software, Arnao has become a notable figure in the digital lead industry, combining technical engineering with automation strategy. His focus on system reliability, transparent data flow, and scalable integrations continues to position Waypoint as an industry leader in real-time lead management solutions.

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