4 injured in motorcycle chase that ends in wrong-way Diamond Bar crash

Last Updated on August 18, 2017 by CCAR Staff

DIAMOND BAR >> Four people were injured Friday, two critically, when a motorcycle that had been chased by the California Highway Patrol collided head-on with a car while going the west on the eastbound 60 Freeway in Diamond Bar, authorities said.

The motorcycle was being pursued for speeding around 1 a.m. on the northbound 57 Freeway when it went onto eastbound 60 Freeway, traveling west on the eastbound lanes, the CHP reported.

The Yamaha R6 was being operated by 23-year-old Gregory Galassi of San Dimas, and his passenger was a 24-year-old Los Angeles woman, the CHP reported.

“In an effort to evade arrest, Galassi entered the eastbound lanes of SR-60, traveling westbound, at a high rate of speed,” a CHP statement said. “At this time, CHP officers discontinued pursuing Galassi, due to his reckless driving.”

Meanwhile, a 2006 Toyota Corolla driven by a 19-year-old La Habra woman was heading east on the freeway in the No. 6 lane at about 65 mph, the CHP reported.

“As (Galassi) approached (the Toyota’s) location, he maneuvered his vehicle into the No. 6 lane and was involved in a head-on collision,” the CHP reported.

Galassi and his rider were hospitalized in critical condition. The Toyota driver and her passenger, and 18-year-old male from Rosemead, were treated for minor injuries.

The three right lanes were closed until about 6 a.m. while an investigation was conducted.


Please accept our sincerest condolences. As you navigate this deeply difficult time, our thoughts and prayers are with you, the victims and their loved ones who died in roadway tragedies.

While you take care of yourself and your family, let the legal team at Rafii & Associates, P.C. fight for you. Our personal injury attorneys have decades of experience extracting multi-million dollar settlements from the largest insurance companies. If you or your loved ones were harmed by an auto accident, call us today for a free evaluation of your case: 1-800-262-9885. Hablamos Español, para asistencia inmediata, llámenos.


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If you or a family member suffered injuries in an auto crash, the award-winning team of personal injury attorneys at Rafii & Associates, P.C. will review your case free of charge. Simply fill out the form below or give us a call toll free at 1-855-468-4482.

Hablamos Español, para asistencia inmediata, llámenos: 1-855-468-4482.

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