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Rear-end collision: what the law says and what to do.

Tennessee, Alabama, Oklahoma and South Carolina all forbid following another vehicle too closely. Federal data codes 7.1% of U.S. fatal crashes as front-to-rear. Here are the statutes as written, the numbers, and the steps after a rear-end crash. Federal figures run through 2024, the latest year available, and are subject to revision.

General information, not legal advice. Updated November 9, 2026. Attorney review pending

On this page
  1. What the law says about rear-end collisions
  2. Following too closely: four states
  3. What these laws do not tell you
  4. How many fatal crashes are front-to-rear
  5. What to do after one
  6. Claims, settlements and deadlines
  7. Questions
  8. Sources

The short answer

What the law says about rear-end collisions

A rear-end collision is a crash where the front of one vehicle hits the back of another. Tennessee, Alabama, Oklahoma and South Carolina each tell drivers not to follow another vehicle "more closely than is reasonable and prudent." [1] Federal data codes 7.1% of U.S. fatal crashes from 2015 to 2024 as front-to-rear.

This page reports what the statutes say and what the federal numbers show. It does not say who is at fault in any crash, and it does not predict what a claim is worth.

View through a car windshield at dusk along an empty two-lane highway through pine woods, with one car far ahead showing red brake lights
Illustration: a long gap of open road between two cars. Following-distance rules are about that gap.

The statutes

Following too closely: four states

Each row is the general rule as written. All four have longer sections with extra rules for trucks, caravans and similar cases, which we do not cover here. Tennessee text is as reproduced by FindLaw, current as of January 2, 2024; Alabama, Oklahoma and South Carolina were read on the state legislature or court-network sites on November 9, 2026.

State Section The general rule
Tennessee Tenn. Code Ann. § 55-8-124(a) "The driver of a motor vehicle shall not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of the vehicles and the traffic upon and the condition of the highway." [1] A violation is a Class C misdemeanor [1].
Alabama Ala. Code § 32-5A-89(a) Same reasonable-and-prudent rule, plus a distance: "Except when overtaking and passing another vehicle, the driver of a vehicle shall leave a distance of at least 20 feet for each 10 miles per hour of speed" between the two vehicles [2] [2].
Oklahoma 47 O.S. § 11-310(a) "The driver of a motor vehicle shall not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of such vehicles and the traffic upon and the condition of the highway." [3]
South Carolina S.C. Code § 56-5-1930(A) "The operator of a motor vehicle shall not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of such vehicles and the traffic upon and the condition of the highway." [4]

Alabama's 20-feet-per-10-mph figure is the only fixed following distance in these four general rules. At 60 mph that formula works out to 120 feet. Whether a particular driver met any of these rules is a question of facts, not something this page can answer.

Following distance under Alabama and the other three statesA car follows another car at 60 mph. Alabama sets a gap of at least 20 feet for each 10 mph, 120 feet at 60 mph. Tennessee, Oklahoma and South Carolina use a reasonable-and-prudent rule with no fixed distance.60 mph120 ft at 60 mphAlabama: at least 20 ft for each 10 mph of speedTN, OK, SC: “reasonable and prudent,” no fixed distance
Following distance as the statutes are written. Not to scale. Alabama is the only one of the four states with a fixed distance in its general rule; the other three use a reasonable-and-prudent standard.

Fault

What these laws do not tell you

The statutes above set a duty for the driver who follows. They do not say that a driver who rear-ends another is automatically responsible, and we have not found, and so do not state, any rule of that kind in the sources we read. Whether another driver also shares fault, and what that does to a claim, depends on each state's fault rules:

An attorney can explain how those rules apply to your facts.

The numbers

How many fatal crashes are front-to-rear

NHTSA's Fatality Analysis Reporting System (FARS) is described by NHTSA as "a nationwide census providing NHTSA, Congress and the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes." [5] It codes a "manner of collision" for each fatal crash. "Front-to-Rear" is the category that matches a rear-end crash. We counted it in the 2015 to 2024 national files. These are fatal crashes only: most rear-end crashes are not fatal and are not in FARS at all.

Year All U.S. fatal crashes Front-to-rear Share
2015 32,538 2,225 6.8%
2016 34,748 2,372 6.8%
2017 34,560 2,473 7.2%
2018 33,919 2,459 7.2%
2019 33,487 2,363 7.1%
2020 35,935 2,441 6.8%
2021 39,785 2,971 7.5%
2022 39,422 2,830 7.2%
2023 37,769 2,715 7.2%
2024 36,297 2,603 7.2%
2015-2024 358,460 25,452 7.1%

Bar chart of U.S. fatal crashes coded front-to-rear per year, 2015 to 2024

Front-to-rear fatal crashes ranged from 2,225 (2015) to 2,971 (2021); the share stayed between 6.8% and 7.5%. Those crashes killed 28,047 people over the ten years. The chart shows exactly the counts in our data file.

Our four states

State All fatal crashes Front-to-rear Share
Tennessee 10,680 736 6.9%
Alabama 8,797 611 6.9%
Oklahoma 6,172 466 7.6%
South Carolina 9,692 717 7.4%

Source for all tables: NHTSA FARS 2015-2024 accident files, analysed by CrashFirst. Counts are crashes, not people, except the 28,047 deaths above.

Bar chart of the share of U.S. fatal crashes by FARS manner of collision, 2015 to 2024

For comparison, the chart shows how FARS codes all fatal crashes: most (60.7%) involve no collision with another moving motor vehicle at all, and angle crashes (T-bone and side-impact) are 18.3%, more than twice the front-to-rear share.

What to do after one

After a rear-end crash

The longer checklist is on what to do after a car accident.

Insurance and deadlines

Claims, settlements and deadlines

Two things we can state, and one we cannot. We can state how insurers say the process starts: NAIC says the insurer assigns a claims adjuster, and that you should cooperate with the adjuster's investigation [6]. We can state that if you disagree with an offer, NAIC says to try to resolve it with your insurer and, failing that, to ask your state insurance department for help [6].

We cannot say how long a rear-end claim takes to settle or what a fair amount is. Both depend on facts this page does not have, and we do not estimate case value. What does have a fixed date is the lawsuit deadline, which differs by state: use the deadline calculator or the state-by-state deadline table.

Want to talk it through? A person usually calls you back in about 15 minutes (8am to 8pm Central). You never pay CrashFirst. CrashFirst is not a law firm, does not evaluate your crash and does not give legal advice. General information as of November 9, 2026.

Sources

Unofficial copies come from a legal publisher, not the state. They can lag the current code, so check the official code before relying on a date or amount.

Page last updated November 9, 2026. Attorney review pending. General information, not legal advice. Fees, hours and rules change; confirm on the official page. How we source.

Questions

Whose fault is it in a rear-end collision?

This page cannot say whose fault a particular crash is. Each of the four states we cover has a statute telling a driver not to follow another vehicle more closely than is reasonable and prudent, [1] but fault is decided from the facts of the crash by insurers, and by a court if it goes that far. How fault is shared differs by state: see the fault rules for Tennessee, Alabama and Oklahoma linked on this page.

How does insurance work if you get rear-ended?

NAIC, the association of state insurance regulators, says to call the number on your proof-of-insurance card as soon as possible, and that the insurer will assign a claims adjuster to assess the damage and determine the payment [6] [6]. Which coverage pays depends on your policy and on who is at fault; the policy, not this page, answers that.

How long does a rear-end collision settlement take?

This page cannot predict that, and neither can any general article: it depends on the injuries, the insurers and the facts. What we can point to is the one clock that does not move: lawsuit deadlines. They differ by state, and the usual Tennessee deadline is one year, so check yours on the deadline calculator.

What is a fair settlement for a rear-end collision?

This page cannot give a dollar figure and does not evaluate any crash. NAIC says you do not have to accept a payment you do not feel is fair, and that if you disagree you can ask the adjuster for a written explanation and then contact your state insurance department [6] [6].

Can a rear-end collision cause lower back pain?

Back and neck pain after a crash is common enough that we wrote a separate page on it. We cannot diagnose anyone. If you hurt after a crash, see a doctor, and call 911 or go to an emergency room for severe symptoms. See neck and back pain after a car accident.

How common are rear-end crashes?

In NHTSA's FARS files for 2015 to 2024, 25,452 of 358,460 U.S. fatal crashes (7.1%) have a manner of collision of Front-to-Rear. FARS counts only crashes where someone died, so it says little about how many rear-end crashes happen overall.

CrashFirst is not a law firm and does not give legal advice. This checklist is general information. Every situation is different.

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