Wisconsin Car Insurance Laws and What You Must Carry

Wisconsin operates under an at-fault insurance system, meaning the driver responsible for an accident is liable for damages. As of January 1, 2025, the state mandates all drivers carry liability insurance that meets or exceeds the minimum required coverage.

Quick Checklist for Wisconsin Drivers:

  • ✅ Minimum 25/50/10 liability coverage
  • ✅ Uninsured motorist coverage required
  • ✅ Carry proof of insurance in your vehicle
  • ✅ Driving uninsured may require SR-22 filing

Wisconsin’s Required Auto Insurance Explained

As of 2025, Wisconsin requires the following auto liability minimums:

  • Bodily Injury: $25,000 per person / $50,000 per accident
  • Property Damage: $10,000 per accident

This is often referred to as 25/50/10 coverage.

Uninsured Motorist Coverage In Wisconsin

Wisconsin law requires drivers to carry uninsured motorist (UM) bodily injury coverage:

  • UM Bodily Injury: $25,000 per person / $50,000 per accident

This protects you if you’re hit by a driver who doesn’t have insurance.

Optional Coverage Options

While not required, many Wisconsin drivers choose additional coverage for better protection:

  • Underinsured Motorist (UIM) Coverage
  • Medical Payments Coverage (MedPay)
  • Collision and Comprehensive Insurance
  • Rental Reimbursement and Roadside Assistance

These coverages help pay for your own damages or expenses regardless of fault.

Can You Drive Without Insurance In Wisconsin

If you’re caught driving without valid insurance in Wisconsin, you could face:

  • A fine of up to $500
  • Suspension of your license and registration
  • SR-22 requirement to reinstate driving privileges

The state uses electronic verification to monitor active policies — coverage gaps can be flagged quickly.

Forms Allowed For Proof of Insurance In Wisconsin

Wisconsin law requires drivers to carry proof of insurance and provide it:

  • During traffic stops
  • After an accident
  • Upon request by DMV

Proof is not required when registering a vehicle, but coverage must be in place.

Real-World Example

A Green Bay driver is pulled over for speeding. The officer requests proof of insurance. The driver shows a valid card, but the state system shows a lapse in coverage. The vehicle registration is suspended until proof of continuous coverage and an SR-22 is filed.

Frequently Asked Questions about Wisconsin Car Insurance

What are Wisconsin’s minimum car insurance requirements?

At least $25,000 in bodily injury per person, $50,000 per accident, and $10,000 in property damage liability. You also need uninsured motorist coverage.

Does Wisconsin verify insurance electronically?

Yes. Wisconsin uses a real-time system to verify active insurance policies, which law enforcement can access during stops.

Do I need proof of insurance to register a car?

No, but you must maintain insurance and provide proof when requested.

What happens if I drive without insurance?

You may face a $500 fine, license suspension, and be required to file an SR-22 form.

Compare Wisconsin’s insurance laws with nearby states:
Minnesota,
Iowa,
Illinois, and
Michigan.

Official Wisconsin Resources

Disclaimer: This page offers general guidance and may not reflect the latest updates. Please confirm insurance laws directly with the Wisconsin Department of Transportation or a licensed agent.