I-70 (Interstate 70) Road Conditions
I-70 State Weather Links
I-70 Road Conditions for December 28, 2025
Corridor summary (construction & closures):
- CO: CDOT reports the Floyd Hill (Clear Creek County) project is in a holiday suspension window with no lane closures scheduled from Dec 20, 2025 through Jan 5, 2026.
- KS: Geary County (Junction City area) work zone on I-70 eastbound MM 296–301 with traffic reduced through the work area (pavement replacement/phasing).
- MO: Kansas City “Improve I-70 KC” lists the I-70 EB → 31st St ramp (Exit 5B) permanently closed. St. Charles County (Foristell area) weekly report lists a temporary slip ramp on the I-70 North Outer Road WB at Foristell (listed through Jan 2026).
- IN: Hancock County (Mt. Comfort Rd ↔ SR 9 corridor) project notes the SR 9 on-ramp to I-70 remains open, but one lane on the ramp is closed during the project.
- OH: Columbus (Downtown Ramp Up / 70–71 corridor) lists the SR 315 SB → I-70 EB ramp closed long-term; detour via I-670 EB → I-71 SB → I-70 EB.
I-70 Utah Road Conditions
I-70 Colorado Road Conditions
- Floyd Hill (Clear Creek County): Holiday suspension window with no lane closures scheduled (Dec 20, 2025–Jan 5, 2026).
- CDOT advisory / project update
- COtrip (Colorado 511)
I-70 Kansas Road Conditions
- Geary County (Junction City): I-70 EB work zone MM 296–301 with traffic reduced through the work area.
- KDOT project page
- KanDrive (Kansas 511)
I-70 Missouri Road Conditions
- Kansas City (Improve I-70 KC): I-70 EB → 31st St (Exit 5B) ramp listed as permanently closed.
- St. Charles County (Foristell): temporary slip ramp on I-70 North Outer Road WB at Foristell (listed through Jan 2026).
- MoDOT Improve I-70 KC – construction updates
- MoDOT Traveler Information Map (Missouri 511)
I-70 Illinois Road Conditions
I-70 Indiana Road Conditions
- Hancock County (Mt. Comfort Rd ↔ SR 9): SR 9 on-ramp remains open; one lane of the ramp is closed during the project.
- Indiana 511 (TrafficWise)
- INDOT Restrictions/Closings
I-70 Ohio Road Conditions
- Columbus (Downtown Ramp Up): SR 315 SB → I-70 EB ramp closed long-term; detour I-670 EB → I-71 SB → I-70 EB.
- OHGO (Ohio 511)
- ODOT Downtown Ramp Up (project updates)
I-70 West Virginia Road Conditions
I-70 Pennsylvania Road Conditions
I-70 Maryland Road Conditions
Brief I-80 road conditions summary (construction & closures):
- IL (Joliet/Will County): I-80 interchange ramps at Center St / Meadow Ave closed for reconstruction; Center St/Meadow Ave over I-80 also closed between Wheeler Ave and Morgan St. (Eastbound Meadow Ave → eastbound I-80 ramp remains open.)
- NV (West Reno Improvements): Intermittent overnight ramp closures (approx. 9:00 PM–5:00 AM) on the West McCarran Blvd ramps to/from I-80 and the Keystone Ave ramps to/from I-80.
- NE (Lexington ↔ Kearney/Odessa): Long-term work with lane reductions and work zones roughly between MM 247 and the Exits 263–267 vicinity, including a posted 10-ft width limit and intermittent lane closures.
I-70 Road Conditions Overview
Regional Hazards Along I-70
- Mountain Passes and High Elevations – Steep grades and sharp curves in mountainous regions can be hazardous year-round. In winter, snow and ice create slick conditions, while in summer, sudden thunderstorms or hail can reduce visibility and traction. Altitude can also affect vehicle performance and braking.
- Snow and Ice in Winter Months – From late fall through early spring, stretches of I-70 often see snow, freezing rain, and black ice. These conditions can trigger chain laws, traction requirements, and temporary closures, especially in Colorado and other high-elevation sections.
- Heavy Rain and Flooding – Low-lying areas and sections near rivers can be prone to flash flooding or standing water during intense rainstorms. Hydroplaning risk increases in heavy downpours, and reduced visibility can slow traffic significantly.
- Wind-Prone Plains – Open sections of I-70 across the Great Plains often experience strong crosswinds. High-profile vehicles like trucks and RVs are especially vulnerable to gusts that can cause lane drift or tip-over hazards.
- Construction and Work Zones – Seasonal maintenance and infrastructure improvements are common along I-70. Lane closures, reduced speed limits, and narrowed shoulders can increase accident risk, particularly when combined with high traffic volumes.
- Urban Congestion – In metropolitan areas, such as around Denver, Kansas City, and St. Louis, heavy commuter traffic and merging lanes can create congestion and increase the risk of rear-end collisions. Rush hour delays and construction bottlenecks are frequent concerns in these regions.
- Fog and Reduced Visibility – Certain valleys and river crossings along I-70 are prone to fog, especially in cooler months. Sudden drops in visibility can lead to dangerous chain-reaction accidents if drivers do not adjust their speed and following distance.
