Starting January 1, the grace period for the express lanes located on I-25 North and C470 will end. That means drivers will have to pay in order to use these lanes. However, while those tolls won't start until the first of the year law enforcement in Colorado has already started fining people who continue to illegally swerve in and out of express lanes.

According to the Colorado Department of Transportation, it's an issue that's been going on for a while. People weaving in and out of lanes worsening not only traffic for everyone on the road, but even causing some accidents in the process.

"So what you can end up having is a very serious accident, and in fact, that is what happens in a number of instances. People side swipe or are rear-ended because they are weaving in and out of express lanes and causing accidents," said Tim Hoover, CDOT spokesperson.

Hoover said that since the start of the 'crackdown,' CDOT has caught more than 80,000 drivers weaving in and out of express lanes via their road security cameras. He also said people should not try to 'trick' the system, as they don't physically need to get pulled over in order to get fined.

He said most residents who have gotten fined have received them through the mail during the month of October.

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