Updated 02/28/14 - 8:16 a.m.

CHICAGO (STMW) -- Two females were injured - one critically - and the lanes of the Chinatown feeder ramp on the northbound Dan Ryan Expressway (I-90/94) are closed after a vehicle rolled over early Friday.

The single-vehicle crash was reported about 4:10 a.m., according to Illinois State Police.

The driver of the vehicle, a woman whose age was not immediately known, was taken in critical condition to Northwestern Memorial Hospital, police said.

A female passenger in the vehicle was taken with non-life-threatening injuries to John H. Stroger Jr. Hospital of Cook County, police said. Her age was not immediately known Friday morning.

Traffic is being diverted to the Stevenson Expressway (I-55) while crews work to clear all four lanes, police said. All lanes will remain closed until about 9 a.m., police added.

Officers remain at the scene of the crash as of 8:05 a.m. Citations - if any - are pending until further investigation, police said.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2014. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)