Sacramento

Big Rig Slams CHP Patrol Truck Mid-U-Turn, Officer Airlifted in Merced County

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Published on August 05, 2026
Big Rig Slams CHP Patrol Truck Mid-U-Turn, Officer Airlifted in Merced CountySource: Unsplash/ Jason Rojas

A California Highway Patrol officer was airlifted to a hospital Wednesday morning after a tractor-trailer slammed into the side of a marked CHP pickup truck as the officer attempted a U-turn on Highway 59 north of Turlock Road in Merced County. The crash happened around 7:24 a.m. in the northbound lanes east of Turlock and north of Merced, officials said, and the officer's injuries are believed to be non-life-threatening.

How Wednesday Morning's Highway 59 Crash Unfolded

According to a preliminary investigation cited by CBS Sacramento, the officer was driving south on Highway 59 before attempting to turn around and head north when the tractor-trailer struck the right side of the patrol pickup. Emergency crews had to free the officer from the wreckage before the officer could be flown to a local hospital.

The tractor-trailer's driver was not injured in the crash, and investigators have said alcohol or drugs were not factors. A specific cause has not yet been determined, per the same preliminary account.

CHP's Specialized Crash Team Takes Over the Probe

The case has been handed to the CHP Central Division's Multidisciplinary Accident Investigation Team, a program established in 1978 that pairs a CHP sergeant and collision reconstruction officers with a motor carrier specialist and a Caltrans senior transportation engineer to dig into the mechanical, human and environmental factors behind serious crashes, according to the California Highway Patrol. The Fresno-based Central Division that oversees the Merced office is one of 17 field divisions patrolling thousands of miles of rural Central Valley highway, per the California Highway Patrol. Anyone with information about the crash is asked to call the investigation team at (559) 603-7740.

What State Law Says About Emergency U-Turns

Under California Vehicle Code Section 21055, marked emergency vehicles are exempt from standard traffic laws when responding to an emergency call, carrying out a rescue or pursuing a suspect, as long as red lights and a siren are activated as reasonably necessary, according to FindLaw. Section 21056 of the same code, however, makes clear that emergency status doesn't erase an officer's duty to drive with "due regard" for the safety of everyone else on the road, meaning the exemption is conditional rather than absolute.

It's not yet known whether the patrol pickup's lights or siren were activated at the time of the U-turn, whether the officer was responding to an emergency call, or whether the tractor-trailer driver had enough distance and time to react — details that haven't been made public as the investigation continues. Separately, under Vehicle Code Section 21806, civilian drivers who see an emergency vehicle running its lights and siren are required to yield and pull to the right edge of the road, according to the Los Angeles County Sheriff's Department; failing to do so can bring a fine of roughly $490 plus points on a driver's DMV record.

A Rural Corridor Already Targeted for Safety Upgrades

Highway 59 is a 34-mile corridor through Merced County carrying anywhere from 1,500 vehicles a day on its rural stretches to nearly 15,000 near urbanized areas, according to cahighways.org. The crash site sits along one of the corridor's rural, two-lane sections that hasn't yet been upgraded.

Caltrans has already launched a multi-million-dollar project to widen sections of the highway from two lanes to four, adding median left-turn lanes and wider shoulders, according to Caltrans. That push comes as the agency's own 2023 data show state-maintained highways in Merced County logged 1,786 total collisions that year, resulting in 33 fatalities and 1,066 injuries, according to Caltrans.

How the Crash Fits Into Countywide and Statewide Trends

Merced County's 2024 Local Road Safety Plan, which reviewed five years of crash data, found hit-object collisions to be the most common crash type countywide, with driving under the influence contributing to 32% of collisions and unsafe speeds accounting for another 12%, according to Merced County.

The crash also lands amid a heavy year for crashes statewide. California recorded 164,123 traffic collisions and 3,807 fatalities in 2024, according to data cited by Steven M. Sweat APC, meaning the state now averages more than 1,300 crashes a day.