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New Traffic Enforcement on I-25: Cameras Crack Down on Illegal Lane Changes

The Crackdown Begins

Drivers along the I-25 corridor between Berthoud and Fort Collins now face stricter enforcement—thanks to a new camera and sensor system scanning for illegal lane changes in express lanes. The system targets sudden merges where solid white lines block access, a common cause of rear-end collisions when fast-moving express lanes collide with slower general traffic.

During a three-week warning period ending in early April, over 3,500 drivers received reminders about the rules. But starting Thursday, the fines are in effect—and they’re not cheap.

The Rules Are Simple (But Often Ignored)

✅ Dashed Lines = You Can Merge ❌ Solid Lines = Stay in Your Lane

Yet, many drivers still attempt risky merges, gambling with their safety and wallet. A $75 ticket will be mailed to the offender’s registered address. Ignore it? The fine doubles to $150.

State officials claim this technology has already proven effective elsewhere, reducing violations by over 90% and improving road safety.

Will This Actually Change Driver Behavior?

Weaving between lanes at high speeds is a well-known hazard, but some still cut corners to save a minute or two. The bigger question remains: Will this enforcement curb reckless driving, or simply push violators to other routes?

Colorado isn’t alone—highways like I-70 and C-470 have had similar rules since last year. Now, the state is testing whether this tech-driven approach can work statewide.

The Bottom Line

Fines are in effect. Stay between the lines.