6:30 PM UPDATE: State Police officials announced that all lanes are back to being open.
SANGAMON COUNTY, Ill. (WCIA) — ISP is asking drivers to slow down on a section of I-55 due to a rollover crash.
State Police officials reported a rollover crash on I-55 in the center median near mile marker 105, near Sherman in Sangamon County. EMS workers are on the scene of the crash.
Officials are asking motorists to use an alternate route.