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Cars and driving

Registration and plates, emissions, mountain-pass and winter-driving rules, and the things that change when you drive and register a vehicle in Colorado.

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Cars and driving - June 10, 2026

A Santa Fe Trail Drive Through Otero County's Plains Towns

Trace the Santa Fe Trail National Scenic Byway through Otero County, linking Bent's Old Fort, the Sierra Vista overlook, the Otero Museum, and La Junta's old downtown in one easy day by car.

Cars and driving - June 10, 2026

Around Pueblo, I-25 weather can close the road south and north

Pueblo sits on Interstate 25, and winter storms or wind can lead to closures on the stretches south toward New Mexico and north toward Colorado Springs, so checking road conditions before a long drive is worth the habit.

Cars and driving - June 10, 2026

Big-sky driving in the San Luis Valley: plan around spring wind and dust

The open highways across Saguache County give you miles of wide valley and mountain views. On gusty spring days, wind can kick up blowing dust that drops visibility, so it is worth knowing the simple state guidance: slow down and pull off if you can't see.

Cars and driving - June 10, 2026

Black Bear, Imogene, and Last Dollar are seasonal 4WD roads, not shortcuts

Telluride's famous backcountry routes — Black Bear Pass, Imogene Pass, and Last Dollar Road — are rough, high, seasonal roads that open only after snowmelt and demand the right vehicle and skill.

Cars and driving - June 10, 2026

Black Canyon's two rims do not connect by road

Black Canyon of the Gunnison National Park has a South Rim and a North Rim, but no bridge or road links them, so driving from one to the other is a long trip on outside roads.

Cars and driving - June 10, 2026

Boreas Pass Road is a seasonal dirt route over the Continental Divide

Boreas Pass Road is a gentle gravel road from Breckenridge over the Continental Divide that is open to highway-legal vehicles only in the warmer months and becomes a winter ski route.

Cars and driving - June 10, 2026

Boulder County's canyon roads ask more of a driver than the map suggests

The highways that climb from the plains into the Boulder County foothills are narrow, weather-exposed, and can close, so it helps to check conditions before a mountain trip.

Cars and driving - June 10, 2026

Cameron Pass on Highway 14 is the winter gateway into North Park

The main paved route between Fort Collins and Walden climbs over Cameron Pass on Highway 14, a high crossing where winter weather can turn a drive serious.

Cars and driving - June 10, 2026

Clear Creek Canyon on US 6 is one of Colorado's active rockfall areas

The narrow US 6 drive up Clear Creek Canyon west of Golden runs below steep rock walls that shed rockfall every year, so it pays to drive it alert.

Cars and driving - June 10, 2026

Cochetopa Pass: the old 'Pass of the Buffalo' over the Divide

Northwest of Saguache, a quiet gravel backway carries the old Ute 'Pass of the Buffalo' over the Continental Divide, while paved Highway 114 takes the easy modern route alongside it.

Cars and driving - June 10, 2026

Cordova Pass is a high gravel road that closes for the winter

Cordova Pass crosses the high country near the Spanish Peaks on a gravel forest road above 11,000 feet, and it closes in winter, so it is a seasonal back route rather than a year-round road.

Cars and driving - June 10, 2026

Cottonwood Pass west of Buena Vista closes for the winter

Cottonwood Pass climbs out of Buena Vista to over 12,000 feet on the Continental Divide, and the road over the top is closed by snow for much of the year.

Cars and driving - June 10, 2026

Driving and weather in the San Luis Valley: cold air and blowing dust

The San Luis Valley floor near Alamosa is a high, flat basin where cold air settles and spring winds can kick up dust, both of which affect driving.

Cars and driving - June 10, 2026

Driving Arapahoe County means knowing the toll and express lanes

Several corridors around Arapahoe County use tolls or express lanes, run by CDOT or the E-470 Public Highway Authority, where prices can change with traffic and a license-plate bill arrives if you have no pass.

Cars and driving - June 10, 2026

Driving Baca County means gravel roads and plains weather

Much of getting around Baca County is on county gravel roads, where mud, wind, and sudden storms call for a little extra planning.

Cars and driving - June 10, 2026

Driving Costilla County means long, open, lightly served roads

A scenic byway and a web of rural roads connect Costilla County's small towns, but distances are long and services are few, so plan trips with that in mind.

Cars and driving - June 10, 2026

Driving Crowley County means plains roads and plains weather

Getting around Crowley County means highways like CO 96 plus many gravel county roads, all under open-plains weather that can change fast.

Cars and driving - June 10, 2026

Driving Highways 13 and 64 puts you in real big-game country

The main routes through Rio Blanco County roll through open deer and elk country, a scenic drive where a little extra care at dawn, dusk, and during fall migration keeps it that way.

Cars and driving - June 10, 2026

Driving Larimer County's canyons: the one weather tip worth knowing

The drive up Big Thompson Canyon west of Loveland is one of Larimer County's prettiest. One thing worth knowing before you go: in a flash flood, leave the car and climb to higher ground.

Cars and driving - June 10, 2026

Driving Sedgwick County's plains means watching the sky and the wind

Northeast Colorado's open country brings summer thunderstorms, hail, and high wind plus winter ground blizzards, so checking the forecast and road conditions is part of plains driving.

Cars and driving - June 10, 2026

Driving the I-70 plains around Limon means watching the weather, not the mountains

The open stretch of Interstate 70 through Lincoln County brings plains hazards like wind, ground blizzards, and sudden storms rather than mountain passes.

Cars and driving - June 10, 2026

Driving the open plains in Cheyenne County means watching the sky

Cheyenne County's flat, open highways carry fast-changing plains weather, from spring and summer hail and thunderstorms to winter wind and blowing snow, so checking conditions before a drive is routine.

Cars and driving - June 10, 2026

Driving the Washington County plains means watching weather and gravel

On Washington County's open plains, wind, hail, sudden storms, and winter blizzards matter more than mountain passes, and many roads are gravel that handles weather differently than pavement.

Cars and driving - June 10, 2026

Driving up the Grand Mesa: 63 miles onto the world's largest flat-top mountain

State Highway 65 climbs 63 miles up onto the Grand Mesa, past more than 300 lakes to a forested tableland that sits a mile above the valley floor.

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