How to Prepare for Snow and Ice While Driving in Colorado

July 29, 2025 at 3:13:03 AM

You Could Be Owed Compensation- Check Your Flight Now

Colorado is a winter wonderland — but driving here in snowy and icy conditions can be treacherous. From the bustling streets of Denver to high-elevation mountain passes like I-70 over Vail or Loveland, proper preparation isn’t optional — it’s essential. Whether you’re heading to ski resorts, mountain towns, or just commuting during a snowstorm, these tips will keep you safe and confident behind the wheel.

1. Understand Colorado’s Winter Driving Laws

Colorado has specific traction and chain laws designed to keep drivers safe in snowstorms.

Traction Law (Code 15)
During snowy or icy conditions, your vehicle must have:

AWD or 4WD or
Tires marked with the 3-Peak Mountain Snowflake (3PMSF) symbol or
Chains on at least two wheels

Tire tread must be 3/16” or greater.

Passenger Chain Law (Code 16)
During major snowstorms, chains or AutoSocks are mandatory for all vehicles, including AWD cars and SUVs.

✅ Always check current restrictions at COTRIP.org before driving.

Failing to comply can result in fines, accidents, or being turned away at checkpoints — especially on high mountain passes.

2. Invest in Proper Snow Tires

All-season tires are not enough for Colorado winters. Snow tires give you real traction on ice and packed snow.

Tips for winter tires:

Look for the 3PMSF symbol
Minimum tread depth: 4/32”
Check tire pressure frequently — cold reduces PSI by several pounds
Rotate tires regularly if you’re on extended trips

Even AWD vehicles struggle on icy roads without proper winter tires.

3. Pack a Comprehensive Winter Driving Kit

A well-stocked winter kit can save your life in emergencies. Keep these items in your trunk:

Ice scraper + snow brush
Small collapsible shovel
Sand, kitty litter, or traction mats
Blanket or sleeping bag
Extra gloves, hat, and socks
Flashlight with extra batteries
Snacks, water, and a thermos
Phone charger and power bank
Jumper cables
First-aid kit

Pro tip: Add road flares or reflective triangles if you plan to drive on remote mountain roads — it helps rescuers spot you.

4. Change How You Drive in Snow and Ice

Winter driving isn’t just about your car — it’s about behavior on the road. Follow these tips:

Brake early and gently; avoid sudden stops
Accelerate slowly to prevent wheel spin
Leave plenty of following distance (6+ seconds or more in snow)
Downshift on hills to maintain control
Use low beams in snowstorms; high beams create glare
Avoid cruise control on slick roads

Think of winter driving as defensive driving multiplied by 10 — anticipate hazards before they appear.

5. Fully Clear Your Car Before Driving

Snow on your car can be dangerous — not just for you, but for everyone behind you.

Clear:

Roof (prevents flying snow hitting others)
Windshield and windows
Headlights and taillights
License plate

❗ Colorado police can ticket drivers for obstructed visibility. Don’t take chances.

6. Know When to Turn Around

Even experienced drivers can be caught off-guard. Stop or turn back if:

Visibility drops to near zero
CDOT reports road closures
You see other cars sliding or stuck

Park in a safe lot or turnout and wait it out. Your safety is worth the delay.

7. Check Road and Weather Conditions Before You Go

Information is your best tool in winter driving. Monitor:

COTRIP.org for live traffic cams, alerts, and closures
Twitter: @ColoradoDOT
Weather apps with radar, snow totals, and alerts

Mountain Pass Alerts:

I-70 over Vail Pass: Frequent avalanche closures in heavy snow
Loveland Pass: Steep, icy curves; chain stations often set up
Trail Ridge Road (Rocky Mountain NP): Closed in winter; check NPS alerts

Even if conditions look clear, mountain weather can change fast and unexpectedly.

8. Watch for Black Ice

Black ice is nearly invisible and extremely dangerous. Look out for:

Bridges and overpasses (freeze first)
Shaded curves or corners
Early morning or late evening

If you start to slide:

Don’t brake suddenly
Ease off the gas
Steer gently in the direction you want to go

Staying calm and controlled can prevent a crash.

9. Choose the Right Vehicle

Some vehicles are safer than others in Colorado winters:

Best options:

AWD or 4WD
Snow tires
SUVs or high-clearance vehicles for deep snow

Vehicles to avoid:

Rear-wheel-drive sedans
Bald or low-tread tires
Low-clearance rentals that can get stuck

Rental cars? Ask for winter tires or AWD — worth the extra cost.

10. Plan for Emergencies and Delays

Mountain travel can be slow in winter. Be ready for:

Traffic backups caused by accidents or slow vehicles
Avalanche closures on high passes
Stalled cars or chain stations

Keep your fuel tank above half to avoid freezing or running out during delays. Carry extra snacks, water, and blankets.

11. Adjust Speed for Conditions

Speed limits are for ideal conditions. On icy or snowy roads:

Reduce speed by at least 10–20 mph
Increase distance to the car ahead
Take corners slow and wide
Use engine braking when descending

Overconfidence is the #1 cause of winter accidents.

12. Use Chains or AutoSocks When Required

Chains aren’t optional in Colorado if required:

Check COTRIP.org or pass signs for chain law alerts
Practice installing chains before your trip
Carry rubber or textile AutoSocks for convenience on highways

Failure to comply can lead to fines or being denied passage.

13. Know High-Risk Areas

Some locations are particularly dangerous in winter:

Mountain passes: I-70, Loveland Pass, Berthoud Pass
Shaded valleys: Ice can linger for days
Bridges: Freeze before roads
Downtown Denver: Snow and ice combined with traffic can be tricky

Adjust your route if conditions are unsafe; sometimes the longer, flatter route is safer.

14. Additional Tips for Mountain Travelers

Stay informed about ski resort traffic: Lots of tourists and rental SUVs
Allow extra travel time: Even 15–20 minutes delay can prevent accidents
Use rest stops: If tired, pull over rather than risk driving sleepy

Remember: Mountains can be beautiful, but safety trumps speed.

15. Final Thoughts

Winter driving in Colorado requires preparation, patience, and awareness. From AWD and snow tires to emergency kits and knowledge of black ice, every precaution counts.

Key takeaways: