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.


Expect heavy traffic this weekend during I-70's fifth busiest holiday travel period of the year. Traffic will hit the corridor during various times from Thursday night through Monday night, but with adequate planning, delays can be avoided. As far as weather: I-70 should be fairly clear. Strong winds are expected on Thursday; Friday will be sunny and dry; light snow may fall from Friday night through Saturday; roads will be dry on Sunday; and then more light snow on Monday. Make sure your tires are in compliance with the Traction Law, and the weather can still change over this long weekend, so check Cotrip.org to know before you go.

Thursday WB - HIGH WINDS POSSIBLE, TRAVEL WITH CAUTION. Moderate traffic volumes during Thursday afternoon and evening. Short delays of 15 minutes or more possible between 3pm and 7pm. 

Friday WB - Heavy traffic beginning at noon and lasting through 8pm. Delays of up to an hour or more are possible between 3pm and 6pm. 

Saturday WB - Heavy traffic expected from 5:45am through 11am with delays of 30 to 45 minutes expected. For best results, leave Denver before 6am. Light snow is expected through the day, with the potential to cause slippery conditions and additional delays. 

Saturday EB - Slightly heavier than normal traffic is possible with 15 to 20 minute slowdowns between 2pm and 5pm. Check Cotrip.org to know before you go. 

Sunday WB - Heavy traffic expected with delays of up to 30 minutes from 6:30am through 10:30am. I-70 should be dry and travel should be fairly easy.  

​​​Sunday EB - Delays of around 30 to 40 minutes possible between noon and 6pm with the heaviest traffic coming from 2:30pm to 5pm. Heavy traffic is expected, but on holiday weekends, Sunday afternoons feel more like typical Saturday afternoons, and Monday afternoons feel more like typical Sunday afternoons.

Monday WB - Moderate to heavy traffic expected with delays of up to 30 minutes from 6:30am through 10:30am.

​​​Monday EB - Heavy traffic volumes expected throughout the day. Traffic could begin building as early as 11am, reaching peak delays of an hour or more between 1:30pm and 4pm, and then dissipating after that. 

*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


Mostly cloudy skies on Tuesday morning ahead of partly sunny skies come Tuesday afternoon. Dry and mild on Wednesday and Thursday. Our next extended chance for snow will arrive on Friday, with heavier snow possible on Saturday and into Sunday. Colder storm likely around next Tuesday (1/26), followed by drier weather during the final days of January.

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 rideshare  to the mountains and leave the driving to someone else. 



Weather, Road Conditions & Accidents - these are impossible to predict and can escalate the level and duration of delays dramatically. Before you travel, check one of the real time information resources!

Holiday Weekends - when a national holiday falls on a Monday, you can count on Monday afternoon eastbound traffic to mimic a typical Sunday pattern, but with potentially more volume. On the flip side, the Sunday of holiday weekends tends to have slightly less congestion than usual.

Safety Metering - Safety metering eastbound at the Eisenhower Tunnel goes into effect during periods of particularly high traffic volume. This process is in place to ensure traffic flows safely and freely through the tunnel. Expect eastbound delays when metering is in effect.

Mountain Express Lane - This eastbound express lane provides 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


(December through March. Based on historical data.)

Depending on snow, resort conditions, (and pandemic) conditions, I-70 typically starts to see routine Winter weekend traffic in early-to-mid December. This is then disrupted from the days before Christmas through the weekend after New Years. Following that, traffic patterns become fairly routine through January and February (with some anomalous long weekends here and there). March is a bit less predictable (typically) due to Spring Break travelers dispersed through the month, and then routine traffic starts to fade through April. Thankfully, I-70 traffic IS AVOIDABLE, and based on years of traffic data and analysis, the information below is reliable and can help you avoid the worst of it!

Friday Westbound - There are typically moderate delays heading westbound on Friday evenings. Traffic may build between 3pm to 4pm, peak around 5pm, and end between 6pm to 7:30pm. These delays might mean an added 20 minutes to a trip from Denver to Vail.

Saturday Westbound - Significant delays of up to 45 minutes or more are expected from 6am through 10am on Saturday mornings. For best results, leave Denver before 6am or after 9:30am. 

Saturday Eastbound - Saturday eastbound traffic tends to be much lower in volume than Sunday. It is usually spread out enough that, barring an accident, there is not much congestion.

Sunday Westbound - Sunday mornings are fairly similar to Saturday mornings, however delays are sometimes slightly (5 to 10 minutes) shorter, and travelers typically leave 15 to 30 minutes later). Delays can be expected from 6:30am through 10:30am. 

Sunday Eastbound - According to historical data, eastbound traffic starts to build around 1:00pm. The weekend's peak of traffic is consistently from 3pm to 5pm all summer long. 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. GoI70.com Peak time Deals provide incentives to avoid peak travel times!




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