UPDATED 09/04/12 10:12 a.m.

LAKE STATION, Ind. (CBS) -- The westbound Borman Expressway (I-80/94) was shut down in Northwest Indiana Tuesday morning, after a flatbed semi-truck flipped over.

WBBM Newsradio traffic reports the expressway was shut down just before Ripley Avenue as of 9 a.m., after the truck flipped over and blocked all lanes.

The westbound Indiana Toll Road (I-90) was backed up between the Borman and Ripley Avenue following the accident, as motorists rushed to bail from the highway before reaching I-80/94.

All lanes had reopened by 10:10 a.m.

Further details of the accident were not immediately available.