FAIRFAX COUNTY, VIRGINIA — A fatal multi-vehicle crash on Interstate 66 in Fairfax County has caused significant traffic disruptions near the Capital Beltway.

Virginia State Police responded to the crash at approximately 4:10 p.m. Sunday, September 6, 2026, after multiple vehicles were involved in a collision in the westbound express lanes near mile marker 64.2.

At least one person was confirmed dead in the crash.

The collision occurred near Gallows Road and the Dunn Loring-Merrifield Metro station, creating substantial delays for westbound motorists.

What Happened on I-66?

According to Virginia State Police, troopers responded to the crash shortly after 4 p.m.

The collision involved multiple vehicles in the westbound express lanes of I-66.

The exact sequence of events leading to the crash has not yet been released.

Authorities have also not immediately provided the identity of the person who died or additional information about the other people involved.

The investigation remains ongoing.

Fatal I-66 Crash Near Dunn Loring

The crash occurred close to the Capital Beltway in an area that carries heavy traffic between Northern Virginia communities and the Washington metropolitan area.

The incident resulted in major traffic congestion as emergency crews worked at the scene.

The Virginia Department of Transportation reported that three westbound lanes near Interstate 495 were closed during the emergency response.

Drivers were advised to seek alternate routes or expect significant delays.

Traffic Delays After I-66 Accident

The crash caused westbound traffic to slow considerably around the Dunn Loring-Merrifield area.

Emergency vehicles and investigators required access to the crash scene, while lane closures further restricted traffic capacity.

Motorists traveling westbound toward the Capital Beltway were urged to allow additional travel time.

Drivers approaching the affected section of I-66 were also encouraged to follow traffic-control instructions and avoid entering restricted areas.

Investigation Into the I-66 Crash

Virginia State Police are investigating the circumstances surrounding the fatal collision.

Investigators are expected to examine the vehicles involved, witness accounts and other available evidence to determine how the crash occurred.

At this stage, authorities have not publicly released a detailed explanation of what caused the collision.

The identity of the deceased person was also not immediately available in the latest reports.

Additional information may be released as investigators continue their work.

I-66 Accident Today – Crash Details

What Drivers Should Know

The fatal crash has highlighted the potential for significant delays along westbound I-66 near the Capital Beltway.

Motorists should use caution when approaching the area and give emergency vehicles plenty of room.

Drivers should not attempt to pass through closed lanes or enter the emergency response area.

Those traveling through Northern Virginia should check current traffic conditions before beginning their journey and consider an alternate route when substantial congestion is reported.

Latest Update

At least one person has died following a multi-vehicle crash on westbound I-66 near the Capital Beltway in Fairfax County.

Virginia State Police responded at approximately 4:10 p.m. Sunday, September 6, with the collision occurring near mile marker 64.2 around Gallows Road and the Dunn Loring-Merrifield Metro station.

Three westbound lanes were closed during the emergency response, causing major traffic delays.

The crash remains under investigation, and authorities have not yet released the identity of the person who died or the full circumstances surrounding the collision.

Disclaimer

This article is based on currently available information concerning the fatal I-66 crash in Fairfax County. The investigation remains ongoing, and details including the identities of those involved, the number of injured people, the cause of the collision and other circumstances may be updated as authorities release additional information. Drivers should follow official traffic instructions and avoid closed sections of the roadway.