Jackson , MS : I-20 blockage cleared after 18-wheeler wreck on Thursday , June 18th 2015

As of 12:30, all Westbound lanes of I-20 have now been reopened.
The wreck, involving an 18-wheeler, happened around the intersection of I-20 and MS 18 W (Exit 40a.)

MDOT warned that it would be hours before the wreck was completely cleared.

Source :
I-20 blockage cleared after 18-wheeler wreck