I-70 (Interstate 70) Road Conditions
I-70 State Weather Links
I-70 Road Conditions for September 27, 2025
- Kansas – Junction City (Exit 298): I-70 EB → Chestnut St exit ramp remains closed; KDOT lists a late-September reopening target. A full-closure detour at nearby Exit 299 (J-Hill Rd) occurred 9/24–9/25 for bridge demolition.
- Indiana – Richmond (Exit 149): I-70 WB → US-40 WB ramp was scheduled to reopen this morning (Sat, Sep 27) following a temporary closure for Revive I-70 work.
- Ohio – Huber Heights/Dayton (Exit 41): I-70 WB → SR-235 NB ramp is closed through Sep 2025 (Buc-ee’s interchange improvements); signed detour posted.
- Pennsylvania – Westmoreland Co. (Rostraver/N. Belle Vernon): Route 906 → I-70 WB on-ramp will be closed 6:00 PM Sat, Sep 27 – 6:00 AM Mon, Sep 29; detour via I-70 EB to Exit 42 and return WB.
- Maryland – Clear Spring (St. Paul Rd overpass): I-70 bridge replacement staging with recurring single-lane closures near the overpass continues.
I-70 Utah Road Conditions
- No UDOT bulletin listing an I-70 ramp closure for today.
I-70 Colorado Road Conditions
- Lincoln County: CDOT advisory notes daytime single-lane closures and nighttime full closures as scheduled for bridge work beginning this week. Verify timing on COtrip before travel.
COtrip (CDOT 511) · CDOT: I-70 Bridge Work Advisory
I-70 Kansas Road Conditions
- Exit 298 (Chestnut St, Junction City): EB exit ramp remains closed; reopening targeted for late September.
- Exit 299 (J-Hill Rd): Overnight full closure occurred 9/24–9/25 for bridge demolition; normal configuration resumed after 7:00 AM 9/25.
KanDrive (KDOT 511) · KDOT: I-70 Pavement Replacement (Junction City)
I-70 Missouri Road Conditions
- Improve I-70 KC corridor continues with nighttime lane/ramp restrictions by notice. No new day-specific I-70 ramp closure posted for today.
MoDOT Traveler Map · Improve I-70 KC – Construction Updates
I-70 Illinois Road Conditions
- No IDOT bulletin naming an I-70 ramp closure for today (East St. Louis → Indiana line).
I-70 Indiana Road Conditions
- Richmond – Exit 149 (US-40 WB): WB off-ramp scheduled to reopen this morning (Sep 27) after temporary closure for interchange reconstruction. Use posted detour if reopening operations extend.
INDOT TrafficWise (511) · Revive I-70: Ramp Reopening Notice (PDF)
I-70 Ohio Road Conditions
- Huber Heights – Exit 41: I-70 WB → SR-235 NB ramp closed through Sep 2025 (construction for future Buc-ee’s). Follow posted detours.
OHGO (ODOT 511) · ODOT: Montgomery County Construction Update
I-70 West Virginia Road Conditions
- No WVDOH day-specific I-70 ramp closure posted for today (Wheeling area).
I-70 Pennsylvania Road Conditions
- Rostraver/N. Belle Vernon: Route 906 → I-70 WB on-ramp closed 6:00 PM Sat, Sep 27 – 6:00 AM Mon, Sep 29. Detour: use I-70 EB to Exit 42 (North Belle Vernon), turn left, then re-enter I-70 WB.
511PA (PennDOT) · PennDOT District 12 Ramp Closure Notice
I-70 Maryland Road Conditions
- Clear Spring – St. Paul Rd Overpass: Bridge replacement with recurring single-lane closures near the overpass as staging continues.
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.
