8:30 a.m. update: Illinois State Police are reporting that the ramp from I-80 east to I-74 West is now open. Normal traffic has resumed.
Earlier report: The Illinois State Police reports a traffic alert this morning at the Big X.
At 7:15 a.m. a semi tractor trailer crash is blocking the I-80 east ramp to I-74 west.
Emergency crews are on the scene.
The ramp has been shut down while wreckage is cleared up.