Female Motorist Killed When Excavator Falls Off Big Rig With Blown Front Tire

Nipomo, CA – A 6o-year-old woman was tragically killed on Wednesday when an excavator fell off a flatbed trailer and onto the SUV she was driving.

According to the California Highway Patrol (CHP), the deadly incident occurred around 4:10 p.m. near the Willow Road exit of Highway 101 in Nipomo, which is located approximately ten miles north of Santa Maria.


Officials say David Edmunson, 62, of Arroyo Grande, was operating a 2014 Peterbilt on Highway 101 headed northbound when the truck blew out a right front tire.

Edmunson lost control of the truck and it traveled off the highway towards the east and struck a metal guard rail.

The collision caused the excavator he was hauling to roll off the Lowboy trailer and tumble approximately 30 feet below onto the Willow Road off-ramp.

The excavator fell on top of a white 2008 Cadillac Escalade, which was stopped on the off-ramp.

On Thursday, officials identified the driver of the Escalade as Pyong Yun Song, 60, of Nipomo.


Song was pronounced dead at the scene.

Another motorist — identified as Eliodora Cadenas, 53, of Glendale — was operating a 2016 Mazda 6, which was stopped in front of the Escalade on the off-ramp.

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Cadenas’s vehicle was also struck by debris from the excavator, but was uninjured in the accident.

CHP stated Edmunson received minor injuries and issued a “complaint of pain,” but did not specify what his injuries were.


The scene was investigated by CHP along with the San Luis Obispo County Sheriff’s Office.

Investigators declared the event a “freak accident.”

According to Cal Fire/Santa Barbara County Fire Department, the accident closed the right lane of Highway 101 and the northbound off-ramp for about two hours as emergency crews recovered the victim and removed the debris.

CHP is asking anyone who witnessed the crash to contact Officer Mallory and the San Luis Obispo Area CHP office at (805) 594-8700.

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