UPDATE - 5:48PM - All lanes are back open, according to CHP.
FLORISTON, Calif. (KRNV & MyNews4.com) -- A semi-trailer truck on Interstate 80 eastbound has caused lane closures on both sides of the Interstate.
California Highway Patrol says I-80E near Floriston is expected to be closed until 5:30pm. One lane is open on I-80W.
Stay with News 4 for more updates.