Is a Rear-End Collision Always the Other Driver's Fault in Arizona?

The short answer: almost always, yes — but not 100% of the time. Arizona law creates a strong presumption that the driver who rear-ends another vehicle is at fault, because all drivers have a duty to maintain a safe following distance. But the insurance company will look for any angle to shift blame.

The Legal Presumption

Under Arizona traffic law, drivers must follow at a distance that allows them to stop safely if the vehicle ahead slows or stops. If you rear-end someone, the presumption is that you were following too closely, not paying attention, or driving too fast for conditions.

This presumption makes rear-end collision cases some of the strongest claims for plaintiffs. Liability is rarely in serious dispute.

When the Presumption Gets Challenged

The following driver’s insurance company may argue comparative fault if the lead driver’s brake lights were out — making it impossible to see them slowing, the lead driver made a sudden, unexpected stop for no reason, the lead driver cut in front of you immediately before the collision, or the lead driver was reversing.

Even in these scenarios, the following driver usually bears majority fault. But any percentage of fault pinned on you reduces your recovery proportionally.

Rear-End Collision Injuries

Don’t let anyone tell you rear-end collisions are “minor.” Whiplash and soft tissue injuries from rear-end crashes can cause chronic pain, herniated discs, and long-term disability. The force of impact is absorbed by your neck and spine, and symptoms often worsen over the days following the crash — not improve.

If you’ve been rear-ended, get medical attention even if you feel fine initially. Document everything. And don’t give the insurance company a recorded statement without talking to an attorney first.

The Law Badgers handle rear-end collision cases throughout Phoenix and Maricopa County. Call (833) DTF-IGHT.