I-70 traffic is quite predictable unless affected by weather or accidents. Plan to avoid peak travel times, and enjoy a delay-free trip along I-70.  Our weekend travel forecast is updated every Thursday afternoon.

OCTOBER 15 - 17

I-70's first slippery weekend of the season - be cautious and prepare for safety closures and accident-related delays! More so than other recent weeks, make sure to check the new and improved ​​​​​​Cotrip.org to know before you go.

Friday WB - Moderate traffic between 3pm and 7pm with delays of up to 15 minutes. (If the highway stays wet and cold, delays could be worse; check Cotrip.org)

Saturday WB - Moderate-to-heavy traffic expected from 10am through 2pm with delays of up to 10 minutes. Weather could be a factor

Saturday EB - Moderate traffic volume expected with delays of 10 to 15 minutes or more between 2pm and 6:30pm. Weather could be a factor

Sunday WB - Moderate traffic volume expected with delays of 15 to 20 minutes between 10am and 1pm. Weather could be a factor

​​​Sunday EB - Heaviest weekend traffic expected from 11am through 6pm with delays of up to 20 minutes. Weather could be a factor

*The GoI70.com Travel Forecast is based on historical data, along with an estimation of how weather, construction, public events and other factors might impact travel.

I-70 Daily Snow


The past 24 hours have delivered a beautiful preview of winter along the I-70 mountain corridor, with cold temperatures and abundant natural snowfall. It's looking (and feeling) more like mid-December compared to mid-October. Daily forecasts begin on Monday, November 1st. Until then, stay tuned to our 10-day forecasts on OpenSnow and get ready for another great season!

Read the full forecast

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  • Avoid the Peak Travel Times.  If heading eastbound on Saturday or Sunday, plan to leave the mountains after 7:00 p.m. Check the weekend and holiday Travel Forecast.
  • ​​​Check the road and traffic conditions before you travel. 
  • Check out the Peak Time Deals local businesses offer to help you avoid peak travel times.
  • Spend a Sunday night in the mountains and head to work or school early Monday morning.
  • Prepare for I-70 mountain driving conditions.  Understand the Traction & Chain Laws.
  • Create or join a carpool. 
  • Consider taking a bus, train, van or carpool to the mountains and leave the driving to someone else. 



Holiday Weekends - when a national holiday falls on a Monday, you can count on Monday afternoon EB traffic to mimic a typical Sunday pattern, but with potentially more volume.

Safety Metering – Safety metering eastbound at the Eisenhower Tunnel goes into effect during high volume times.  This process controls the flow of traffic eastbound into the Eisenhower Tunnel, so traffic does not back up in the tunnel.  Expect eastbound delays when metering is in effect.

Weather - In the summer, weather plays a large factor in traveler behavior. If rain showers move in early in the day, expect drivers to head back to the Front Range early as well.

Mountain Express Lane - The Mountain Express Lanes provide a more reliable travel time to those willing to pay the toll.  Get the ExpressToll pass to pay the posted toll rate. Those without a pass will be billed the posted rate plus a service charge.  More info at ExpressToll.com


(June through mid-September. Based on historical data.)

During the shoulder seasons of early April through the beginning of June, and mid-September through mid-December, traffic on I-70 is light, and volume related delays are not common. Following that, and depending on weather (rain, snow melt, and wildfires), routine Summer traffic begins to build in early June and lasts into mid-September. Thankfully, I-70 traffic IS PREDICTABLE and that means that by shifting your travel times, I-70 traffic is AVOIDABLE; the forecast below is based on years of traffic data and analysis, and can help you avoid the worst of it!

Friday Westbound - There are occasionally moderate delays heading westbound on Friday evenings. Traffic may build between Noon-3:00 p.m., peak around 4:00 p.m., and end between 6:00-7:00 p.m. Delays during this timeframe might mean an added 20 minutes to a trip from C470 to Frisco.

Saturday and Sunday Westbound - On Saturdays, you might experience congestion from 10:00-2:00 p.m.  Get an earlier start to avoid traffic.  There are rarely westbound delays on Sundays.  

Saturday Eastbound - Saturday eastbound traffic tends to be much lower in volume than Sunday but slow traffic might be encountered mid-afternoon/early evening.

Sunday Eastbound - According to historical data, eastbound traffic starts to build around 11:00 a.m. The peak of traffic is consistently between 3:00 and 4:00 pm all summer long. With folks trying to enjoy every bit of daylight in the mountains, the traffic typically doesn’t diminish until approximately 7:00-8:00 p.m.  To avoid the traffic, consider staying in the mountains for dinner, or spend Sunday night and head back to the Front Range early Monday morning.  Check out the GoI70.com Peak Time Deals for discounts on dining, shopping, activities and Sunday night lodging deals!


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