Road Conditions: Cheyenne to Laramie, WY (I-80 & US-287)
Real-time conditions change rapidly. Always check wyoroad.info or call 511 before travel.
Typical Seasonal Patterns
| Route | Summer | Winter (Nov–Mar) |
|---|
| I-80 (Primary, 45 mi) | Dry, 75 mph limit, moderate traffic | High wind, blowing snow, ground blizzards, frequent closures (Telephone Canyon, Summit). Chains often required. |
| US-287 (Alternative, 50 mi) | Two-lane, scenic, 65 mph, light traffic | Less maintained, drifts, ice patches, no services. Not recommended in storms. |
Current Snapshot (Example)
- I-80 Cheyenne: Dry, good visibility, heavy traffic.
- I-80 Laramie: Dry, good visibility, moderate traffic.
- US-287 Cheyenne: Dry, good visibility, moderate traffic.
- US-287 Laramie: Dry, good visibility, light traffic.
Critical Resources
- WYDOT 511: Phone, app, web — live cams, road temps, closures, rest areas.
- NWS Cheyenne: weather.gov/cys — watches/warnings.
- Closure Protocol: I-80 closes at ~60 mph sustained winds or <¼ mi visibility. Detour via US-30/US-287 adds 1–2h.
Vehicle Prep
- Full tank, winter tires/chains, blanket, water, snacks, charger.
- EV: Cold reduces range 30–40%; plan charging (Cheyenne, Laramie superchargers).
This corridor is one of the most wind-prone in the Interstate system. Respect closures.
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