Key Takeaways
- AB 311 would allow California insurers to offer telematics-based discounts and use driving behavior data to set rates — amending Proposition 103 for the first time in nearly four decades.
- The California CDI retains approval authority over any telematics discount program under the bill, but Consumer Watchdog argues the commissioner has no jurisdiction over third-party data brokers who actually hold the driving data.
- California is the only state that currently prohibits telematics as a rating factor; if AB 311 passes, the 26 million licensed California drivers would become subject to behavior-based pricing for the first time — with privacy and rate equity implications that are not resolved in the bill’s current draft.
- Drivers who decline telematics tracking under AB 311 would face higher premiums than those who opt in, making the program nominally voluntary but functionally coercive for price-sensitive households.
What AB 311 Actually Does to Proposition 103
California AB 311, formally titled the Consumer Driving Data Protection Act of 2026, and initially introduced as AB 1833 by Assemblymember Tina McKinnor (D-Inglewood), is now moving through the California Senate as a gut-and-amend bill after being pulled from a scheduled April 13 Assembly Privacy Committee hearing following sustained opposition from privacy rights groups. The bill would do something no California law has done since voters passed Proposition 103 in 1988: allow auto insurers to use driving behavior data collected through telematics to set rates.
Under Proposition 103, California insurance premiums for private passenger auto must be based primarily on three factors, in order: driving safety record, miles driven annually, and years of driving experience. Telematics data, phone-tracked acceleration, braking, speed, cornering, time-of-day, is currently prohibited as a rating factor by the California CDI under those regulations. AB 311 would amend that framework by authorizing insurers to offer California Drivers voluntary opt-in telematics programs, with CDI Commissioner Ricardo Lara’s office retaining approval authority over any telematics discount before it can be applied to a consumer’s policy.
On paper, that sounds like a reasonable modernization. The bill explicitly prohibits using telematics data for any purpose other than rating private passenger auto insurance, and it sets consent requirements for data collection. But Consumer Watchdog’s opposition brief, filed approximately June 23, 2026 as the bill moved to the Senate, identifies the actual problem: the bill holds insurers responsible for a third-party telematics provider’s violations only if the insurer knew about the violation and failed to stop it. The CDI has no authority over the data brokers downstream.
The Opt-In That Isn’t Really Voluntary
California currently bans telematics as a rating factor, which means every carrier writing in the state prices off the same three Prop 103 variables. AB 311 would break that uniformity. Insurers could offer CDI-approved discounts to drivers who opt into tracking. Drivers who decline stay on the standard rate. Drivers who accept get a discount, but only if their behavior score qualifies.
Here is the part that takes experience in this industry to recognize: the signup discount is real, but the renewal pricing is what matters. Telematics-based carriers elsewhere in the country routinely offer an enrollment discount of 10-15% just to get drivers into the program. After one policy period, renewal pricing reflects the actual driving score, and for drivers who brake hard in city traffic, commute at night, or drive in high-congestion ZIP codes, the score often comes in worse than the baseline. The discount evaporates. Consumer Watchdog made precisely this point in its June opposition brief, noting that participation in telematics would be nominally voluntary but functionally coercive: a driver who declines tracking pays the standard rate, while a driver who opts in gets the discount, until the driving score says otherwise.
I wrote auto policies through the years when telematics was first rolling out in midwestern states. What carriers told agents about telematics then is what AB 311 is not telling California consumers now: the signup discount is marketing, and the renewal rate is actuarial. The two numbers often diverge significantly, and the consumer has no easy way to understand the gap until the renewal letter arrives. Most renewal letters don’t even name the percentage change on page one, they show the new annual premium, and the driver has to do the math themselves.
What the CDI Approves, and What It Doesn’t
The California CDI operates under a prior approval system for auto rates, one of the most restrictive regulatory frameworks in the country. Under Prop 103, no rate goes into effect without CDI sign-off, and the review process takes a minimum of 60 days for most filings. That framework has historically kept California out of the hard market cycles that hammered Texas, Florida, and Louisiana between 2022 and 2025. California drivers paid more than the national average in some product lines, but they didn’t face the 25-35% year-over-year spikes that hit drivers in states with file-and-use or use-and-file frameworks.
AB 311 preserves CDI approval authority for the initial telematics program design and discount structure. What it does not give the CDI is authority over LexisNexis, Verisk, or the other third-party data processors that actually handle the behavioral driving data. That’s the gap Consumer Watchdog identified, and it’s a meaningful one. The Texas Attorney General’s 2025 enforcement action against Allstate and its subsidiary Arity, which alleged that Arity collected telematics data from 45 million drivers through apps like Life360 without adequate consent, then sold that data back to insurers, demonstrates exactly how the data pipeline works outside any state insurance regulator’s jurisdiction.
For California, that gap is larger than in most states, because the CDI currently regulates what goes into a rate filing but has never had to regulate what goes into a telematics data broker’s database. AB 311 as drafted doesn’t close that gap. It adds consent and collection requirements for the insurer’s own telematics program but exempts data already harvested by connected vehicle systems, which, for model year 2020 and newer vehicles from GM, Toyota, Ford, and most other manufacturers, includes real-time driving data flowing to data brokers by default, separate from any insurance telematics enrollment.
What This Means for California Drivers Right Now
AB 311 has not passed. It is moving through the California Senate as a gut-and-amend bill, a procedural vehicle that allows the bill’s content to be substantially revised before a final floor vote. That means the version that emerges from the Senate could look quite different from what Consumer Watchdog analyzed in June.
If the bill passes in its current form, the 26 million licensed drivers in California would gain access to telematics-based discounts for the first time. Drivers with verifiably low-risk behavior, consistent speed, daylight driving, low-congestion routes, light braking, stand to benefit from rates that reflect actual risk rather than demographic proxies. That’s the genuine upside, and it’s real.
The downside is equally real. Drivers in dense urban areas, night-shift workers, delivery drivers, and anyone whose commute runs through high-traffic corridors will generate worse telematics scores than their actual accident risk warrants, and those scores will follow them at renewal. The current Prop 103 framework protects all those drivers equally. AB 311 trades that protection for behavioral pricing, and California, unlike the 49 states where telematics already operates, has no track record showing how that tradeoff plays out at scale.
For drivers currently shopping for car insurance in California, the practical answer is to watch the Senate calendar. If AB 311 advances to a floor vote before the legislature adjourns, the CDI will begin drafting telematics program regulations, and that process, which will require public comment and a formal rulemaking under Prop 103, is where the actual consumer protections will either be written in or left out. The current bill is a framework. What the CDI builds inside it is the story that matters.
