If you just got rear-ended, what to do breaks down into a short sequence: get to a safe spot, call the police, trade information and photograph everything, see a doctor the same day even if you feel fine, and open a claim promptly. The driver who hit you is presumed at fault in nearly every rear-end crash, which puts you in a strong position to be paid for your car and your injuries, but only if you handle the next few hours and days carefully. The mistakes that sink these claims almost always happen early.
First Moves at the Scene
If your car still drives and isn’t blocking traffic, move it to the shoulder or a nearby lot. Sitting in a live lane invites a second collision, which on a highway can be worse than the first. Once you’re off the road, check yourself and your passengers. Adrenaline hides pain, so “I feel okay” is not the same as “I’m not hurt.”
Call 911 if anyone is injured or if the damage looks significant. Every state requires police involvement when there’s an injury or death, and most require a report when property damage crosses a dollar threshold that varies by state. Even on a minor-looking fender bender, getting a report filed creates an official record. Without it, your version of events becomes your word against the other driver’s.
While you wait, exchange names, addresses, phone numbers, driver’s license numbers, and insurance information. Get the other driver’s policy number and the name of their insurer. If they’re driving a car that belongs to someone else, write down the owner’s name too. The easiest way to do all of this is to photograph their license, registration, and insurance card with your phone.
Evidence You Need Before You Leave
Photographs are the most valuable thing you can collect at the scene, and most people don’t take enough. Shoot the rear of your car and the front of theirs from several angles. Get close-ups of the actual point of impact and wide shots that show where both cars ended up relative to the road. Capture license plates, traffic signals, skid marks, debris, and any road conditions that played a role. If it’s dark or raining, photograph that too.
If anyone saw the crash, ask for their name and phone number. Independent witnesses carry weight with insurance adjusters because they have nothing to gain. One bystander who saw the other driver looking at a phone can change the entire tone of a disputed claim.
Dashcam footage, if you have it, can be decisive. Clear video of someone slamming into you while you sit at a red light is almost impossible to argue with. One thing worth knowing: dashcam video is discoverable, so the other side can request it as well. If your own footage shows you doing something questionable before the impact, it can cut against you. For most rear-end victims, though, the camera helps far more than it hurts.
Before the officer leaves, get the report number. You’ll use it later to request the official accident report, which departments usually release within a few days to a couple of weeks for a small fee.
See a Doctor the Same Day
Whiplash is the signature injury of a rear-end collision, and it rarely shows up at the scene. Neck stiffness, headaches, dizziness, and numbness often take 12 to 24 hours to appear, sometimes longer. Going to an emergency room or urgent care the same day creates a medical record that links your symptoms to the crash. Wait a week and the other driver’s insurer gets room to argue that your pain came from something else.
Prompt treatment also protects your claim in a second way. You have a legal duty to mitigate your damages, which means taking reasonable steps to keep your injuries from getting worse. Skipping follow-ups or ignoring a referral to physical therapy hands the insurer an argument: if you didn’t care enough to treat it, it must not have been serious. Fair or not, adjusters use that argument constantly, and it works.
Keep everything. Receipts, appointment summaries, prescription records, discharge instructions. If you miss work, get a doctor’s note tying the time off to the crash and save your pay stubs. Medical documentation is the foundation of any bodily injury claim, and the file you build in the first month will largely determine what you’re paid months later.
Who’s at Fault and Who Pays
Courts apply a rebuttable presumption that the trailing driver caused the collision. The logic is straightforward: every driver is responsible for keeping enough distance to stop safely, no matter what the car ahead does. If you rear-end someone, you were following too closely, driving too fast, or not paying attention. The lead driver doesn’t have to prove anything; the burden shifts to the rear driver to show something unusual happened.
Evidence of distraction, like phone records showing a text sent seconds before impact or the absence of skid marks suggesting no braking, strengthens the case against the rear driver. A citation issued at the scene for following too closely does the same. The police report matters a great deal here because it captures the officer’s observations and any traffic violations noted that day.
The rear driver can sometimes overcome the presumption. A sudden lane change that cut them off, non-functioning brake lights on the lead car, or an intentional brake-check can shift some or all of the fault forward. These defenses are hard to prove without strong evidence, and the rear driver carries that burden.
How Shared Fault Can Shrink Your Check
If the other driver’s insurer argues that you share some of the blame, your state’s fault-sharing rule decides what happens next. Most states use modified comparative negligence, which reduces your payout by your percentage of fault up to a threshold, typically 50 or 51 percent. Found 20 percent at fault on a $50,000 claim and you collect $40,000. Found 51 percent at fault and you get nothing.
About a third of states follow pure comparative negligence, which lets you recover something even when you were mostly to blame, with your award simply reduced by your percentage. Four states and the District of Columbia still apply contributory negligence, which bars you from any recovery if you were even one percent at fault. In those jurisdictions, a working brake light and clear dashcam video that proves you did nothing wrong can be the difference between a full recovery and zero.
Filing the Claim
You can file with the at-fault driver’s insurer (a third-party claim), your own insurer, or both. Most people start with their own company because it’s the faster path to getting repairs underway. Your insurer handles the process and then recovers from the other carrier through subrogation. Going straight to the at-fault driver’s insurer usually means a longer wait while they finish their own liability investigation.
Whichever route you take, an adjuster will be assigned to review the police report, inspect your vehicle (in person at a certified body shop or through photos you upload to an app), and evaluate the evidence. The adjuster then produces a repair estimate. If it looks low, you don’t have to accept it. Getting your own estimate from an independent shop gives you something concrete to negotiate with.
Property damage claims in straightforward rear-end crashes typically resolve in a few weeks. Bodily injury claims take much longer because they can’t be properly valued until your medical treatment is finished and the total cost is known.
When Their Insurer Calls You
The at-fault driver’s insurance company may call you directly and ask for a recorded statement. They’ll call it routine. It isn’t. Anything you say in that recording can be used to minimize your claim. A casual “I’m fine” or “it wasn’t that bad” gets quoted back months later as evidence your injuries are minor. Guessing about speed or timing creates inconsistencies that chip away at your credibility. You are generally not required to give a recorded statement to the other driver’s insurer, and letting your own insurance representative handle those interactions is the safer approach.
Getting Your Car Fixed, Rented, or Replaced
A rear-end crash that would have been a simple bumper swap a decade ago now triggers a cascade of sensor replacements and electronic recalibrations. Blind-spot monitors, parking sensors, backup cameras, and radar modules sit inside modern rear bumpers, and when the bumper gets hit, those components often need replacement or recalibration even if they look fine. According to AAA research, replacing advanced driver-assistance components in a minor rear collision averaged about $685, roughly 41 percent of the total repair estimate. On newer or luxury vehicles, a sensor-equipped bumper replacement can run several thousand dollars once parts, paint, labor, and calibration are added up.
While your car is in the shop, you need a way to get around. The at-fault driver’s insurer should cover a rental, but their investigation has to be finished and liability accepted before they start paying, which can take days or weeks. If your own policy includes rental reimbursement, use it. Daily limits typically run $40 to $70 with coverage lasting up to 30 or 45 days depending on your policy. Even if you choose not to rent, you may still be entitled to loss-of-use damages, calculated by multiplying the daily rental cost of a comparable vehicle by the number of days your car was reasonably out of service.
Watch out for towing and storage fees. If your car is sitting in a tow yard, daily storage charges stack up fast. Move it to your preferred body shop as soon as you can so those fees don’t eat into your settlement.
Diminished Value
Even after a perfect repair, your car is worth less than an identical one that was never in an accident. Buyers check vehicle history reports, and an accident on that report lowers the resale price. The difference between what your car was worth before the crash and its post-repair market value is called diminished value, and in every state except Michigan, the at-fault driver’s insurer is responsible for paying it. Proving the loss usually means getting an appraisal from an independent appraiser who specializes in these valuations. You cannot recover diminished value if you caused the crash.
If Your Car Is Totaled
If the repair cost approaches or exceeds the car’s pre-accident market value, the insurer will declare it a total loss. About half of states set a fixed percentage threshold, most commonly 75 percent of actual cash value; the rest use a formula comparing repair cost against fair market value minus salvage value.
When your car is totaled, the insurer pays you the actual cash value: what your specific vehicle, with its mileage and condition, was worth right before the crash. This is where arguments start. If the offer feels light, research recent private-party sales of the same year, make, model, and mileage in your area and present that data as a counter. You can also hire an independent appraiser.
The painful scenario is owing more on your car loan than the insurance check covers. If you owe $22,000 on a car the insurer values at $18,000, that $4,000 gap is yours. Gap insurance covers exactly that difference, and it’s cheap (typically around $20 a year added to your auto policy) if you buy it before you need it.
What You Can Recover for Your Injuries
Compensation falls into two broad categories. Economic damages cover losses with a dollar figure attached: medical bills, prescriptions, physical therapy, lost wages, and reduced earning capacity if your injuries affect your ability to work long-term. You need documentation for every dollar, so keep organized records from day one.
Non-economic damages cover harder-to-quantify harm: physical pain, emotional distress, loss of enjoyment of activities you can no longer do, and the general disruption to your life. There are no receipts for these, which is why insurance companies push back on them hardest. The severity and duration of your injuries, the quality of your medical records, and whether you stuck with your treatment plan all shape what you can recover.
Don’t forget future medical costs. If your doctor says you’ll need additional surgery, ongoing therapy, or long-term pain management, those projected expenses are part of your claim. Settling before you understand the full picture is one of the most expensive mistakes you can make, because once you sign a release, you can’t come back for more when the next MRI shows something worse than expected.
Will You Owe Taxes on the Money?
Compensation for physical injuries is generally not taxable. Federal law excludes from gross income any damages received on account of personal physical injuries or physical sickness, whether paid through a settlement or a court judgment. That covers medical expenses, pain and suffering, and loss of enjoyment of life. Emotional distress damages are also tax-free when the distress stems directly from a physical injury; emotional distress unconnected to a physical injury is taxable except to the extent it reimburses actual medical expenses.
Two pieces are always taxable. Punitive damages, meant to punish rather than compensate, count as ordinary income. Interest on your settlement, whether it accrued before or after judgment, is taxable as interest income even when the underlying damages are tax-free. If your settlement includes either, talk to a tax professional before you spend the money.
If the Other Driver Has No Insurance (or Not Enough)
About one in eight drivers carries no insurance at all, and the odds are worse in some states. If the driver who hit you has no coverage, or fled the scene, your own uninsured motorist coverage is your lifeline. Roughly half of states require drivers to carry some form of UM coverage, and policies typically include two pieces: uninsured motorist bodily injury, which covers medical bills for you and your passengers, and uninsured motorist property damage, which covers vehicle repairs.
For hit-and-runs, file a police report immediately. Most insurers require one to process an uninsured motorist claim after a hit-and-run, and delays raise red flags about whether the claim is real. In some states, UM property damage won’t apply to hit-and-runs at all, meaning you’d need collision coverage on your own policy to get the car fixed.
Underinsured motorist coverage works a little differently. It kicks in when the at-fault driver has insurance but their limits aren’t enough to cover your damages. If they carry $25,000 in liability and your medical bills alone exceed $60,000, your UIM coverage can make up the shortfall, up to your own policy limits.
Deadlines You Cannot Miss
Every state sets a statute of limitations on how long you have to file a lawsuit. For car accident injury claims, that window runs from one to six years depending on the state, with two to three years being the most common. Property damage claims sometimes carry a different, often slightly longer, deadline. Miss the filing date by a single day and the court will almost certainly dismiss your case no matter how strong it was.
Those deadlines apply to lawsuits, not insurance claims. But insurance policies have their own timing rules, typically requiring “prompt” or “reasonable” notice of the accident. Waiting months to file a claim invites a denial.
If the at-fault driver works for a government agency or was driving a government vehicle, the rules tighten sharply. Claims against government entities require an administrative claim filed with the agency first, and those deadlines are much shorter than the standard statute of limitations. Missing the administrative deadline can permanently bar your lawsuit.
When to Call a Lawyer
Most minor rear-end collisions with clear liability and no injuries don’t need a lawyer. You file a property damage claim, get the car fixed, and move on. A few situations change that quickly:
- Disputed liability, especially in a contributory negligence state where any fault bars recovery.
- Serious or long-term injuries, when bills climb into the tens of thousands or your ability to work is affected.
- Low settlement offers that don’t come close to covering your documented losses.
- An uninsured or underinsured at-fault driver, which forces you into your own policy’s UM/UIM provisions.
Most personal injury attorneys work on contingency, taking a percentage of the settlement rather than charging upfront fees, so they get paid only if you do. Most also offer free initial consultations, which means you can describe the facts and get an honest read on whether hiring counsel makes sense for your specific claim before you commit to anything.