The latest closure means that nearly three-quarters of Louisiana’s portion of the coast-to-coast highway is shut. A rare winter storm brought record snowfall to the state on Tuesday.

Visible ice may start to melt, but an invisible danger could linger as temps continue to dip below freezing. Here's what to know.

After a once-in-a-generation snowfall event Tuesday, DOTD spent Wednesday plowing and salting roads across the southern part of Louisiana. But with the large snow accumulation, subsequent snow melt during the day, and freezing temperatures at night, black ice remained a threat.

After a strange couple of days in south Louisiana that saw historic snowfall and record low temperatures, Thursday is expected to bring clear skies, sunshine, and afternoon temperature well above freezing that should help melt some of the snow and ice coating the region's roads and sidewalks.

The Louisiana Department of Transportation and Development has released a list of roads previously closed due to the blizzard that have reopened.

A winter storm swept across south Louisiana on Tuesday morning, covering New Orleans, Baton Rouge and Lafayette in a layer of snow.

BATON ROUGE, La. (WAFB) - A blizzard warning was issued for southwest Louisiana Tuesday morning as a strong line of snow moved into the state from the west.

Winter Weather on US-90-BR Both Directions from Loyola Ave MM (234) to Frontage Rd. All HOV Lanes are Closed. US 90B HOV lane, Orleans Parish, is closed due to winter weather. DOTD’s emergency personnel will continue to monitor upcoming weather situations and will scout the area for safety on the roadways.

Local restaurants and grocery stores are gradually resuming normal hours, but residents are encouraged to check social media pages for updated schedules.

A major winter storm slammed the southern US Tuesday, blanketing parts of the Gulf Coast with record-breaking snowfall in a region largely unaccustomed to extreme winter weather.

Here's a look at snowfall totals from Tuesday's winter storm that blanketed Houston and parts Louisiana in multiple inches of the white stuff.