A 73-year-old woman was critically injured Monday night when she was hit by a vehicle while crossing the Maple Valley Highway mid-block, according to the Renton Police Department.

Witnesses told investigators the woman was crossing in the 14900 block of the highway at about 8:25 p.m. when she was struck by a Kia Sorento, according to police. Initially, it does not appear that alcohol, drugs, or speed were factors in the collision, according to police. The driver wasn’t arrested.

She suffered life-threatening injuries and was transported to Harborview Medical Center in Seattle, where she was in critical condition Tuesday.

Westbound Maple Valley Highway was closed to traffic until approximately midnight.

Anyone who witnessed the collision is asked to contact traffic investigator Hyett at 425-430-7500 and refer to case 14-10819.