Illinois State Police seeks the public’s help in finding a vehicle that struck and killed a 17-year-old boy Saturday on westbound Interstate 88 near Joslin.

The name of the victim, who is from northeastern Illinois, is not being released due to his age, police said. His family has been notified. 

An autopsy is tentatively scheduled for 11 a.m. Monday in Dixon, Rock Island County Coroner Brian Gustafson said.

Based on the investigation at the scene, police believe they are looking for a full-size pickup or SUV, Illinois State Police spokesman Jason Wilson said.

While the color of the vehicle remained unknown Sunday, Wilson said the vehicle could be missing a driver’s side mirror and have damage to the driver’s side headlight.

About 7:25 p.m. Saturday, Illinois State Police received a call about a fatal crash on westbound I-88 at mile marker 6 near Joslin, Wilson said.

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Investigators said the teen was walking on the roadway when he was struck by a passing vehicle. The vehicle left the scene of the crash. So far, no witnesses to the crash have come forward, Wilson said.

Anyone traveling along Interstate 88 near Joslin between 7:15-7:30 p.m. Saturday and possibly saw anything that could be related to the incident is asked to call the Illinois State Police District 7 headquarters in East Moline at 309-752-4915, Ext. 0.