PETALUMA (CBS SF) — An 82-year-old woman was seriously injured Friday when she fell from her vehicle and was then run over by the vehicle.

Officers responded at 11:22 p.m. to a report of an 82-year-old woman who was lying in the roadway on Ely Boulevard South, north of Frates Road.

READ MORE: 23rd Annual 'A Home For The Holidays At The Grove' Comes To CBS On Sunday, December 5th

The woman, a Petaluma resident, had suffered major trauma to her left leg, police said.

Her vehicle, a 2000 Honda CRV, was stopped on a grass area on the west side of Ely Boulevard South about 50 feet north of where the injured woman was located.

READ MORE: Yuba County Agency Mulls Water Shipments to Bay Area Counties

Investigators determined the woman stopped her vehicle near the intersection of Ely Boulevard South and Frates Road and for an unknown reason, got out of her vehicle and either fell or got pulled under the driver’s side front tire, police said.

The woman was transported to the hospital due to the injury suffered to her left leg.

MORE NEWS: 'Let it Glow' SF Lights Up San Francisco To Revive Pandemic-Stricken Downtown

© Copyright 2015 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed