Black ice on Teton Pass, chain law in effect near South Pass - Casper, WY Oil City News
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Black ice on Teton Pass, chain law in effect near South Pass

WYO 28 Louis Lake East (WYDOT)

CASPER, Wyo. — There is a black ice advisory in effect on WYO 22 over Teton Pass between Wilson and the Idaho state line on Wednesday morning, according to the Wyoming Department of Transportation.

No trailer traffic is allowed on that section of Teton Pass, according to WYDOT.

Level 1 Chain Law is in effect on WYO 28 near South Pass.

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Highways north of Jackson leading to Yellowstone National Park are closed due to winter conditions. US 287, US 89 and US 191 are closed between Flagg Ranch and the south boundary of Yellowstone.

There are also black ice advisories in effect on US 89 and US 26 near Afton.

There are two levels of chain law in Wyoming. WYDOT says Level 1 restricts travel to:

  • Vehicles equipped with tire chains; or
  • Vehicles with adequate snow tires; or
  • All-wheel-drive vehicles.

Level 2 Chain Law restricts travel to:

  • Vehicles equipped with tire chains; or
  • All-wheel-drive vehicles equipped with adequate mud and snow or all-weather-rated tires.

Under Level 2, commercial vehicles are required to have chains “on at least two of the drive wheels at opposite ends of the same drive axle.”

Road condition information is available from WYDOT.