
A bunch of California roadway rules changed on January 1, 2026 — but two updates stand out because they can trigger four-figure penalties.
One targets license-plate tricks that defeat toll cameras and plate readers. The other goes after high-tech tools often used in car break-ins.
1) License-plate “obscuring” devices (AB 1085) — up to $1,000
What changed: California tightened rules around products that block the visual or electronic reading of license plates, including items used for toll evasion and to dodge enforcement. California DMV
How the $1,000 hit happens:
- Manufacture or sell a plate-obscuring product/device in California: $1,000 fine per item.
- Operate a vehicle using a prohibited product/device (or alter the plate to defeat capture): $250 fine per violation. Legislative Information
What can get you in trouble (common examples):
- Tinted/shaded plate covers or films
- “Flipper” mechanisms that hide/reveal the plate
- Frames/casings that block characters or interfere with electronic readers

2) Key-programming devices and signal extenders (AB 486) — up to $1,000
What changed: Possessing certain high-tech tools with intent to commit burglary is now explicitly covered, including:
- key programming devices
- key duplicating devices
- signal extenders California Highway Patrol
Why drivers should care: These items are frequently associated with vehicle theft methods, so traffic stops or investigations can surface them.
Penalty range: The offense can bring up to 6 months in county jail, a fine up to $1,000, or both. California Highway Patrol
Practical tip: Because the law hinges on intent, anyone who legitimately uses these tools for work (locksmiths, repossession-related roles, fleet/auto security work, etc.) should consider keeping clear documentation and business identification on hand.
Basically, if you ever have your hands on one of these items, you’ll need to prove you intend to use it legitimately.
3) Other 2026 rules worth knowing (not usually $1,000, but easy to violate)
A few more changes that can still cost real money (and hassle) if you miss them:
- “Slow down and move over” expanded to cover any stationary vehicle using hazard lights or warning devices like cones/flares, not just emergency vehicles.
- School-zone speed limits can be locally lowered from 25 mph to 20 mph (with signage). California Highway Patrol
- Work-zone speed enforcement pilot authorized using radar/laser systems that capture plate images and issue citations to registered owners (with review/appeal procedures). California Highway Patrol