
Investigation is continuing in what became a crash that involved five vehicles
A Woodland man was identified as the driver who died after a crash on Interstate 5 in Portland last week.
Mark S. Sinclair, 68, was driving a green Honda Accord in the left lane of southbound I-5 near North Failing Street on Thursday afternoon when traffic slowed ahead of him. Sinclair’s vehicle was rear-ended by a 2017 Mercedes Sprinter, a cargo van. When Portland Police officers arrived, they found Sinclair deceased at the scene.
Three other vehicles were struck and damaged during the crash. No patients were transported by ambulance.
The driver of the Mercedes remained at the scene and cooperated with the investigation. No arrests were made. The investigation was ongoing, as of Monday morning.
If anyone has information about this incident and has not already spoken to police, please email: crimetips@police.portlandoregon.gov and reference case number 23-280468.
Also read:
- Public Health investigating confirmed measles case in Clark CountyClark County Public Health is investigating a confirmed measles case after a contagious individual was present at Ridgefield High School on Jan. 14, 15 and 16.
- VIDEO: Bill dubbed the ‘initiative killer’ clears WA Senate committeeA bill critics label the “initiative killer” cleared a Washington Senate committee on a party-line vote after all Republican amendments were rejected.
- Opinion: IBR’s evasive, misleading and dishonest excuses for higher costJoe Cortright argues the Interstate Bridge Replacement Program has withheld detailed cost estimates while offering contradictory explanations for rising costs tied to the I-5 Bridge project.
- Journey Theater seeks performers, crew for this summer’s Into the WoodsJourney Theater is seeking performers ages 8 and older, along with crew and production committee members, for its summer production of Into the Woods.
- CCSO honors heroism and outstanding service at annual awards ceremonyThe Clark County Sheriff’s Office recognized deputies, civilian employees, and community members for heroism and exceptional service during its annual awards ceremony at Clark College.
- Rep. Stephanie McClintock’s bill to modernize beer warehousing laws receives a public hearingHouse Bill 2207, sponsored by Rep. Stephanie McClintock, received a public hearing as lawmakers considered updates to Washington’s beer warehousing laws.
- Michelle Belkot announces bid for re-election to Clark County Council, District 2Clark County Councilor Michelle Belkot announced she is seeking re-election in District 2 in the November 2026 General Election.








