Traffic Enforcement Group officers are seeking information regarding a crash that occurred on the Kwinana Freeway, Salter Point on Friday, 23 July 2021.Around 2 pm, a crash involving 10 vehicles occurred in the southbound lanes, of the Kwinana Freeway, south of Manning Road.Vehicles involved in the crash were a Mack truck towing a trailer, a Hyundai Tuscon wagon, a Nissan Navara utility, a Hyundai LM wagon, a Volkswagen Polo hatchback, a Hyundai i30 hatchback, a Toyota Camry sedan, a Mazda CX-5B and a Toyota Kluger wagon.As a result of the crash, a 60-year-old woman who was the driver of a Hyundai Tucson was conveyed by ambulance to Royal Perth Hospital with serious injuries.Investigators urge anyone with dash-cam or mobile phone vision of the crash or any of the vehicles traveling in the area prior to the crash, to upload the vision direct to them via this link: https://wapf.au.evidence.com/axon/citizen/public/kwinanafreewaycrash23072021Anyone with information regarding this crash is asked to call Crime Stoppers on 1800 333 000 or report the information online at www.crimestopperswa.com.au.