I-70 Eastbound Closure Today: 5 Critical Alerts & Detour Routes You Must Know On December 15, 2025

Travelers heading eastbound on Interstate 70 (I-70) today, December 15, 2025, face a complex web of closures and construction zones spanning multiple states, requiring immediate attention to avoid significant delays. The primary disruptions are concentrated in Colorado, where both scheduled construction and winter conditions are impacting the roadway, alongside critical night work and ramp closures in Missouri and Ohio.

This comprehensive guide compiles the most current and essential travel alerts from official state departments, including CDOT, MoDOT, and ODOT, detailing specific lane and ramp closures, project timelines, and crucial alternative route information to help you navigate the I-70 corridor safely and efficiently on this date. Always check the official state travel sites (like COtrip.org) for real-time changes before beginning your journey.

I-70 Eastbound Closure & Construction Alerts in Colorado (COtrip)

The Colorado portion of I-70, particularly the high-traffic Mountain Corridor and the eastern plains, is experiencing several key closures and advisories on December 15, 2025. These are a mix of long-term construction projects and overnight maintenance operations.

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Critical Lane Closures on the Eastern Plains

A significant, ongoing lane closure is affecting traffic flow near the Kansas State Line. This is a vital alert for any long-haul traffic heading east out of Colorado:

• Location: I-70 Eastbound between Exit 437 (Lincoln Street) and the Kansas State Line (Burlington).
• Details: The Right Lane is closed.
• Mile Points: The closure spans from Mile Point 438 to Mile Point 437.
• Impact: This bottleneck is a major point of congestion for traffic moving toward Kansas and should be factored into all travel time estimates. The closure began on December 15, 2025.

Overnight Ramp Closure Near Denver Metro Area

For drivers starting their day in the Denver area, an overnight ramp closure has recently concluded, but the residual traffic effects could still be felt in the early morning hours of December 15, 2025.

• Location: Southbound Sheridan to Eastbound I-70 On-Ramp.
• Duration: The closure was scheduled from 7:00 PM on December 14 until 5:30 AM on December 15, 2025.
• Action: A detour route was in place for this overnight work. While the ramp should be open, expect lingering delays or residual traffic from the detour route in the early morning.

Mountain Corridor Construction and Safety Advisories

The challenging terrain of the Colorado Mountain Corridor, which includes the Eisenhower/Johnson Memorial Tunnels and Vail Pass, is also seeing construction-related disruptions and winter weather warnings.

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• Vail Area: The Right Shoulder of I-70 Eastbound is closed for road construction between Vail and one mile west of Vail.
• Road Conditions: Travelers should be aware of reported "icy spots" on I-70, indicating potential winter driving conditions that require reduced speed and increased caution.
• Electrical/Lighting Work: Further electrical or lighting construction is also reported on I-70 eastbound between Harlan and other points, contributing to overall congestion.

Alternative Routes and I-70 Travel Time Forecasting

Due to the combination of lane closures, construction, and adverse conditions, planning for alternative routes and utilizing travel forecasts is essential. The I-70 corridor is known for predictable traffic patterns, but closures can quickly compound congestion.

Proactive Detour Strategies for Colorado

While the specific detour for the main lane closure near the Kansas border is not detailed, general alternative routes can help mitigate delays in the mountain section or around the Denver metro area:

• Golden to Idaho Springs: To avoid potential congestion west of Denver, travelers can use US 6 as an alternate route.
• Denver Metro Detours: If construction or incidents are occurring inside the Denver loop, local detours may be necessary. For instance, the City of Aurora has previously rerouted eastbound I-70 traffic via East Colfax Avenue during interchange construction.
• Floyd Hill Project: While much of the major work here is focused on the westbound Express Lane, the massive Floyd Hill project is an ongoing construction zone that demands extra attention for all eastbound travelers.

Utilizing Travel Forecast Tools

To minimize delays, especially during peak hours, consult official travel forecast resources like those provided by the I-70 Coalition (GoI70). Planning your trip to avoid typically busy times is the best way to ensure a delay-free trip, especially when construction is active.

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Eastbound I-70 Closures in Missouri and Ohio

The I-70 eastbound closures are not limited to Colorado. Travelers continuing their journey further east must also be aware of significant construction and maintenance work in Missouri and Ohio.

Missouri Department of Transportation (MoDOT) Alerts

MoDOT has scheduled night work that will impact eastbound traffic in the St. Louis area, though the main I-70 corridor is clear during the day on December 15, 2025.

• Charles County Night Work: One eastbound lane will be closed from I-70 to Route K in Charles County.
• Timing: This is an overnight closure, running from 8:00 PM to 5:30 AM.
• Upcoming Work: MoDOT also notes a rescheduled traffic shift and ramp closures east of Odessa, which travelers should monitor for later this week.

Ohio Department of Transportation (ODOT) Alerts

In Ohio, a critical ramp closure is in place that will affect traffic attempting to merge onto the eastbound interstate.

• Location: SR 315 Southbound Ramp to I-70 Eastbound.
• Status: This ramp is currently closed for construction.
• Action: Travelers must use a local detour to access I-70 East, adding time to the journey. Check the OHGO app for real-time updates and personalized detour routes.

The multiple, simultaneous closures across the I-70 corridor—from the lane restrictions near the Kansas border in Colorado to the nightly work in Missouri and the ramp closure in Ohio—underscore the need for a highly detailed travel plan today. Always rely on real-time data from official state sources (COtrip, MoDOT, OHGO) to ensure you have the absolute latest information before you travel. Safe travels on December 15, 2025.