Is there a crack-size limit in Arizona?
No. Some websites say Arizona bans cracks over a certain length, or that Arizona law requires a windshield with no cracks at all. Neither statement is in the statutes above. Any length you’ve heard quoted for a passenger car is a rule of thumb, not Arizona law.
That doesn’t mean every crack is fine. Whether a cracked windshield is still “adequate,” and whether the car is in a safe condition, comes down to the glass in front of you, and an officer at the roadside may see it differently than you do. We can’t predict a stop or a citation, and this guide isn’t legal advice. What we can tell you is what the damage does to the glass and to your view.
When to replace the windshield now
Book the replacement now, rather than waiting, if any of these is true:
- The crack is in the driver’s view. A line in front of the driver catches headlights and low sun, splits the picture of the road, and can hide a brake light or a cyclist at the wrong moment.
- The crack is spreading. Heat, a blast of cold air on hot glass, and potholes all make cracks run. In an Arizona summer a short crack can grow across the glass, so a crack that looks small today can be a different crack next week.
- It reaches the edge of the glass. An edge crack weakens the windshield right where it is bonded to the car.
- It runs in front of the camera behind the mirror. On cars with lane keeping or automatic braking, that camera looks through the glass.
- Glass is loose, flaking or pushed in. Don’t drive the car. We come to where it’s parked.
A short crack low on the passenger side, out of the wiper path and not growing, is a lower risk. It is still damage, and desert heat tends to make it grow. We replace glass; we don’t do chip or crack repair. So when we look at a crack, the question we answer is simple: does this windshield need replacing now, or can it wait a little while?
Commercial trucks and buses: a federal rule with numbers
If you drive a commercial motor vehicle in interstate commerce, a federal rule sits on top of Arizona law. 49 CFR 393.60(c) says the windshield must be free of damage in the area above the top of the steering wheel, leaving out a 2-inch border at the top and a 1-inch border at each side. Inside that area it allows two things: a crack that no other crack crosses, and a damaged spot a 3/4-inch disc can cover, as long as it is at least 3 inches from any other damaged spot.
Under 49 CFR 390.3, that rule applies to commercial motor vehicles and the companies and drivers who run them, not to a family car. If you run work trucks or vans, see our fleet auto glass page.
A cracked windshield and your Arizona insurance
Arizona insurers have to offer full glass coverage, but it’s an option you choose on your policy, not something every driver has. If you chose it, a covered windshield is replaced without your deductible. Without it, comprehensive coverage pays after your deductible. We check your policy before anything is booked, and we help you file the claim. The details are on how Arizona glass coverage works.
Driving in Florida? The rules there are different: see whether a cracked windshield is illegal in Florida.
Arizona cracked windshield questions
Can I get a ticket for a cracked windshield in Arizona?
No Arizona statute names cracks. An officer can still look at whether the windshield is adequate under § 28-957.01 and whether the car is safe to drive under § 28-981. What happens at a stop depends on the officer and on your glass, and we can’t predict it. With a crack in the driver’s view, the safer move is to replace the windshield.
How long can a crack be before it’s illegal in Arizona?
Arizona law gives no length for a passenger car. Where the crack sits and whether it’s growing matter more than its size. A crack in the driver’s view or a crack that keeps spreading is the replace-now case.
Is a chip in my windshield illegal in Arizona?
The statutes don’t mention chips any more than cracks. A chip in the driver’s view can still distort what you see, and chips often turn into cracks in the heat. We replace windshields; we don’t repair chips.
Should I drive to a shop with a cracked windshield?
If the crack is in your view or the glass is loose, it’s better not to. Every job we do is mobile: we replace the windshield at your home, at work or wherever the car is safely parked in the Phoenix and Tucson areas.
Will a new windshield need camera calibration?
Many newer cars do, because the lane-keeping and braking camera looks through the glass. We check by VIN before we book, tell you up front, and calibrate during the same visit where the procedure can be done on site.
This is general information, not legal advice.
