Aside from a water system failure in Lafayette, most of the state’s public utilities faired well Tuesday as a blizzard covered southern Louisiana, but things could change.

Louisiana motorists have been dangerously impacted by the historic winter storm. Rodney Mallett of the state's Department of Transportation gives the latest updates on clearing and treating highways.

A winter storm swept across south Louisiana on Tuesday morning, covering New Orleans, Baton Rouge and Lafayette in a layer of snow. Highways, roads and schools across the state have been closed — effectively stalling Louisiana's economy.