Running Red Light or Stop Sign Ticket Defense

Red-Light and Stop-Sign Tickets Are Not the Same Charge

Wisconsin handles these two violations under separate statutes with different elements. That matters because the defenses are different and the fine tiers are different.

What the State Must Prove

Red-light violations under § 346.37

• A red traffic signal was displayed facing the driver.
• The driver entered the intersection after the signal turned red.
• No exception applied (§ 346.37 allows right turn on red after a complete stop unless posted otherwise).

The dividing line is the stop bar or, if none, the crosswalk. A driver who crossed the stop bar on yellow is not running a red light even if the light turned red while the car was inside the intersection.

Stop-sign violations under § 346.46

• A stop sign was in place and visible.
• The driver did not come to a complete stop at the marked stop line, crosswalk, or (absent those) before entering the intersection.
• The driver failed to yield to vehicles or pedestrians with the right-of-way.

Two separate failures, failing to stop and failing to yield, create two separate potential tickets under § 346.46.

Defense Angles

• Officer observation angle. Officers often observe stop-sign and red-light violations from a position that obscures whether the driver actually came to a complete stop. Cross-examination on sightline frequently creates reasonable doubt.
• Yellow-light timing. The DOT Traffic Engineering Manual specifies minimum yellow-light durations based on posted speed. A short yellow is a defense.
• Malfunctioning signal. Traffic signals fail. If the signal was inoperative or stuck at the time of the citation, the obligation reduces to a four-way-stop rule.
• Obscured stop sign. Overgrown vegetation, missing sign, graffiti-obscured sign, or recent removal all defeat the element that a sign was “in place.”
• Emergency response. Emergency vehicles and, under limited conditions, private drivers responding to specific emergencies have statutory exceptions.
• Dash-cam and intersection-camera video. If the stop was disputed, footage controls. We request preservation immediately.

Red-Light Cameras and Photo Enforcement

Wisconsin currently does not authorize red-light cameras in most jurisdictions. The state has not enacted a statewide photo-enforcement statute, and most municipalities have held back on implementing them because of the lack of statutory authority. If you receive a mailed red-light-camera notice from a Wisconsin jurisdiction that claims to be issued under § 346.37, the legitimacy of the citation itself is worth reviewing.

Notices from out-of-state camera enforcement (Illinois, for example) that are forwarded by a rental-car company are a separate issue, handled as a contractual matter with the rental company, not as a Wisconsin state citation.

Collateral Consequences

• 3 demerit points, approaching the 12-point / 12-month threshold triggers license suspension.
• Insurance rate increases of 10% to 30% over a three-year period for at-fault moving violations.
• CDL impact, 49 CFR Part 383 counts certain violations against commercial drivers even when the ticket is in a personal vehicle.
• Probation violations, if you are on probation for any other offense, a new ticket can be reported.

Do Not Just Pay the Ticket

In most cases, a Wisconsin traffic ticket can be reduced to a non-moving violation (like a seatbelt or parking-equivalent forfeiture) with no demerit points, or in some cases dismissed outright. Paying the ticket is equivalent to pleading guilty. Those savings on the fine get eaten by the insurance hit.

Related Traffic Pages

• Reckless driving.
• Failure to yield.
• Speeding.
• Driving on suspended license.
• CDL violations.
• Main traffic violations hub.
• Traffic-defense microsite: racineticket.com.

Call Before the Court Date

Call or text Cafferty & Scheidegger at (262) 632-5000. In most cases, we can appear in court for you.