Update at 11:31 a.m.

All lanes of I-57 have reopened.

Update at 9:11 a.m.

Vehicles from the incident have been moved, however traffic continues to be heavy at the site of the crash in the northbound lanes. Traffic is being routed onto the University Avenue Exit off of I-57 northbound.

CHAMPAIGN, Ill. (WCIA) — State Police are responding to a serious crash on I-57 in Champaign.

It is in the northbound lanes near the I-74 interchange.

Crews responded around 5AM Thursday.

Drivers stuck in traffic tell WCIA it was at a standstill for more than an hour.

They say traffic is moving again, but it is still heavily backed up. Police are diverting traffic at the Curtis Road exit.

Police are asking drivers to seek an alternate route, as this area will be closed for an extended period of time

This is a developing story.