PORTOLA VALLEY >> Authorities on Monday were investigating a fatal crash on Highway 35 in Portola Valley.

The crash was reported south of Highway 84, the California Highway Patrol said in a social media post. Dispatch logs indicated it happened around 5:30 p.m. and involved two cars.

All lanes of Highway 35 were closed following the crash and did not reopen until 10 p.m., according to the logs.

The person who died in the crash was 29-year-old Justyn Rey Snyder, a resident of Union City, according to the San Mateo County Coroner’s Office.

Additional details about the crash were not immediately available.