Winters in Colorado deliver loads of adventures, however snow and ice could make the trek harmful — particularly on mountain roads.
“Whether you’re a native, a new resident or a tourist, driving in Colorado winter weather can be dangerous if you’re not prepared,” Colorado Department of Transportation officers stated in an announcement. “The unexpected can happen when snow and ice are on the road — take extra precautions to prepare you and your vehicle for winter road conditions.”
Speed is among the most important causes of winter crashes
Between Sept. 2024 and May 2025, the Colorado State Patrol responded to twenty,913 crashes on Colorado roads, in line with knowledge offered by the company. That contains 198 deadly crashes and 5,806 damage crashes.
The interval between September and May is when the state’s chain legal guidelines and passenger automobile traction legal guidelines take impact, and it’s frequent to see snow on Colorado’s mountains and higher-elevation roads.
Crashes throughout that point have been largely brought on by dashing, lane violations, animals, distracted driving and following too intently, in line with the company.
“Confidence in the snow doesn’t mean driving recklessly. If you are truly an experienced winter driver, you know to adjust your speed to the conditions at hand,” Col. Matthew Packard, chief of the Colorado State Patrol, stated in an announcement. “Lower your speed, let people around you go the pace they choose to remain in control of their vehicle and give everyone some extra space.”
Speeding throughout winter climate will increase Colorado drivers’ danger of being concerned in an damage or deadly crash by roughly 150%, in line with the state patrol.
Headed to the mountains for winter enjoyable? Here’s what it’s essential know.
“There are many precautions a driver can take before traveling through the mountains; however, following Colorado law regarding tire and chain requirements during the wintertime is a must, as well as doing research on road conditions before travel,” Colorado State Patrol spokesperson Hunter Mathews stated.
The state’s traction legal guidelines take impact yearly on Sept. 1 and stay lively till May 31, mandating that every one autos be outfitted with satisfactory tires and gear when touring within the state through the winter.
“Whether a tractor-trailer or a four-door sedan, snow and ice conditions impact your drive,” Packard, chief of the Colorado State Patrol, said. “If carrying chains or checking your tire tread seems like a hassle, imagine the inconvenience of sitting in traffic due to a crash or being rerouted miles out of your way due to highway closures.”
Colorado’s chain legislation, which requires industrial autos to hold chains or various traction gadgets, applies to autos with a mixed weight of greater than 16,000 kilos or transporting at the least 16 individuals on public highways, state patrol officers stated. The variety of wheels that must be chained will depend on the kind of automobile.
The penalty for non-compliance with winter driving restrictions begins with as much as a $500 high quality, in line with the state patrol. If the non-compliant automobile will get caught and blocks visitors, the driving force faces a $1,000 penalty.
Smaller passenger autos touring on Interstate 70 between Morrison and Dotsero from September by means of May should even have one of many following:
- Tire chains for 2 or extra drive tires,
- An accepted alternate traction system for 2 or extra drive tires,
- Or tires with a tread depth of at the least 3/16-inch which can be rated “all weather” or “mud and snow.”
If climate situations are excessive, state officers could implement the passenger automobile chain legislation, which requires all vehicles to have chains or various traction gadgets on two or extra tires, no matter drive kind.
When driving within the mountains, individuals ought to cut back their pace, enhance their following distance and keep away from utilizing cruise management, in line with AAA.
“On wet roads, cruise control set at too fast a speed could cause the vehicle to hydroplane when it encounters standing water,” AAA officers stated. “On very low-traction surfaces such as ice and snow, cruise control operation can result in a skid or spin.”
Stock and put together your automotive earlier than leaving

Helen H. Richardson, The Denver Post
Traffic sits at a standstill heading eastbound on Interstate 70 in snowy and icy situations on March 3, 2019, in Silverthorne. Icy roads, heavy snow, single digit temperatures, decreased visibility made for hazardous driving within the mountains.
During winter, the Colorado Department of Transportation recommends drivers preserve important objects of their vehicles always in case of an emergency. That features a sturdy scraper or snow brush, a flashlight with further batteries, blankets or a sleeping bag, water jugs, a primary assist package and important drugs, tire chains, a tow strap, jumper cables, reflectors and a battery radio.
It’s additionally good to have an additional set of garments, together with a coat, hat, gloves and boots; hand heaters; nonperishable snacks; and extra, in line with state transportation officers.
Drivers ought to preserve all automotive home windows clear through the use of a window scraper to take away ice and turning on the windshield wipers and defrosters, even when touring quick distances, in line with the Colorado Department of Motor Vehicles. Fogging or condensation on the within of the windshield can shortly be eliminated by opening a window.
Leaving chunks of snow and ice on automotive home windows and roofs may cause visibility points, state officers stated.
Under Colorado legislation, a automobile can solely be operated if the driving force’s imaginative and prescient by means of any required glass gear is regular and unobstructed.
Leaving snow on the automotive roof can enable it to slip onto the windshield through the drive or ship it flying again at different autos on the street.
Driving within the snow
“There are three actions you do most when you drive: accelerate, turn and brake,” CDOT officers stated in a submit about winter driving preparedness. “In winter weather, you should only do one of those actions at a time.”
Attempting to do a couple of may cause sliding, spinning or skidding, officers stated.
When going downhill, if attainable, drivers ought to swap to a decrease gear and gently faucet the brakes, in line with the company. This helps keep away from burning out the brakes and, particularly on snow and ice, helps preserve traction.
Similarly, drivers ought to preserve all momentum attainable when going uphill to keep away from getting caught, CDOT officers stated.
“Winter weather presents a unique set of challenges to truck drivers and other large commercial vehicle operators navigating Colorado’s roadways,” state transportation officers stated.
To keep protected when driving close to industrial autos in winter situations, CDOT officers stated passenger autos ought to:
- Avoid the vans’ giant blind spots, together with in entrance of the cab and behind the trailer;
- Drive defensively, and concentrate on their environment always;
- Give the vans loads of house on all sides — it takes the bigger autos extra time to speed up and decelerate, particularly on steep grades. Chains on the industrial autos’ tires may also kick up snow and different particles;
And go safely on the left facet, with out lingering within the blind spot.
Drivers ought to be further cautious when approaching or passing snow removing gear with flashing yellow lights, in line with the Colorado DMV.
“It is illegal to pass a city, county or state-operated snow plow while it’s working with its yellow lights flashing and is driving in tandem with one or more other snow plows,” Colorado DMV officers stated.
What to do in a skid
There are three varieties of skids: front-wheel, rear-wheel and all-wheel.
In a rear-wheel skid, the again of the automotive begins to sway left to proper like a fishtail, in line with roadside help firm AMA. A front-wheel skid is when a automotive’s entrance finish continues shifting in a straight line no matter how a lot the driving force turns the steering wheel, and an all-wheel skid occurs when the whole automotive begins sliding within the improper route.
When the automotive begins to skid, Colorado DMV officers stated drivers with anti-lock brakes ought to take their foot off each the brake and the accelerator pedal, loosely maintain the wheel and look the place they wish to go.
Drivers with out anti-lock brakes ought to use threshold braking when skidding or in slippery situations, DMV officers stated. That means making use of brake stress to a degree simply in need of locking up the brakes.
Car caught within the snow on Colorado roads? How to be prepared earlier than that occurs
What to incorporate in a winter automotive emergency package:
- Phone charger
- First assist package
- Jumper cables
- Tire chains and tow rope
- Flares/reflectors to sign for assist
- Water and nonperishable snacks
- Flashlight
- Boots, mittens, heat garments
- Blanket or sleeping bag
- Shovel, ice scraper, snow brush
- Bag of sand or cat litter
- Hand heaters
- Hand-crank or battery-operated radio to take heed to emergency broadcasts
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