Five people were sent to hospital following a Sunday afternoon crash on the westbound Lincoln Alexander Parkway.
Hamilton police said the multi-vehicle collision happened around 3 p.m. with several adults suffering serious but non-life-threatening injuries.
Traffic on Mohawk Road West was slowed between Golf Links Road and the Linc off-ramp for hours.
“Driver impairment has been ruled out but all other contributing factors are still under investigation,” Hamilton police said in a release.
The daily email you need for
Hamilton's top news stories.
“The intersection was closed for approximately six hours for the investigation.”
Anyone with information on the crash can reach out to Hamilton police.