Sisters, OR (February 17, 2026) – An injury crash involving a passenger vehicle and a semi-truck closed U.S. Highway 20 just east of Santiam Pass for approximately two hours on Monday afternoon. The collision was reported on February 16 around 12:35 p.m. at milepost 79.5, about one mile east of the summit, according to authorities.
Oregon State Police said initial information indicated a passenger vehicle may have lost control and struck a commercial motor vehicle. At least one person was transported by ambulance to St. Charles Bend for treatment of a variety of injuries. The extent of injuries has not been released. The highway was closed in both directions for a period of time, causing long backups of holiday travelers. Traffic cameras showed congestion continuing until approximately 2:40 p.m. before the roadway fully reopened. The crash remains under investigation.
Key Details
- Reported: February 16 at approximately 12:35 p.m.
- Location: US 20 near milepost 79.5, east of Santiam Pass, Sisters, OR
- Type: Car vs. semi-truck crash
- Injuries: At least one person was transported to the hospital
- Investigation: Ongoing by Oregon State Police
What We Know So Far
- The crash occurred about one mile east of Santiam Pass summit.
- A passenger vehicle reportedly lost control and struck a semi-truck.
- At least one person was taken by ambulance to St. Charles Bend.
- US 20 was closed for roughly two hours.
- Holiday traffic experienced significant delays in both directions.
What’s Not Yet Confirmed
- The exact cause of the passenger vehicle losing control.
- The severity of the injuries sustained.
- Whether weather or road conditions contributed to the crash.
- Whether any citations will be issued.
Mountain corridors like US 20 near Santiam Pass can present challenging driving conditions, particularly during winter and holiday travel periods. When a crash involving a commercial truck occurs near the summit, authorities often close the roadway to allow emergency crews to assess injuries, clear debris, and reposition large vehicles safely. Limited passing zones and steep grades can contribute to lengthy traffic backups when closures occur. Travelers are frequently advised to monitor road conditions and consider alternate routes when incidents disrupt traffic flow across the pass.
What to Do Next
- If you are involved in a crash, move to a safe location if possible and call 911 immediately for assistance.
- Remain at the scene and follow directions from responding troopers and highway crews.
- If it is safe, document the location, milepost, and vehicle positions to preserve important details.
- Check current road conditions before traveling through mountain passes, especially during winter or holiday periods.
Frequently Asked Questions
Why might early details change after the initial call?
Initial reports are often based on preliminary information. As investigators assess the scene and gather evidence, details may be updated.
Why are freeway accidents especially hazardous for responders?
High speeds, large commercial vehicles, and limited shoulder space can increase risks, requiring temporary road closures for safety.
What happens during the documentation phase of an accident response?
Officers photograph the scene, measure vehicle positions, and review roadway conditions to determine how the crash occurred.
