Update: Motorcycle, Multiple Cars in Accident on George Washington Memorial Parkway

Update 9:15 p.m. - The northbound lanes of the George Washington Memorial Parkway reopened shortly after 9 p.m. Tuesday, according to the U.S. Park Police.

A motorcycle rider was involved in an accident with multiple cars at the height of rush hour. The accident shut down the GW Parkway, causing backups on the Parkway and on the Spout Run Parkway, where drivers were diverted, according to police.

The motorcycle rider was transported by helicopter to a local hospital; his condition is unknown.

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Update - 6:50 p.m. - The northbound George Washington Parkway will be closed for about two more hours, according to U.S. Park Police. Until it reopens, northbound traffic will be directed onto Spout Run Parkway. 

The person who was injured in the accident was on a motorcycle.

Patch will continue to update this story as more updates become available.  

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Original post - 6:03 p.m. Tuesday, March 19

The U.S. Park Police are investigating a five-vehicle crash on George Washington Memorial Parkway.

The crash occurred at about 5 p.m. Tuesday near the intersection with Route 123, according to Sgt. Paul Brooks of the U.S. Park Police, who directed Patch to his Twitter feed for more information.

According to the Twitter account @usparkpolicepio, the crash occurred in the northbound lanes of the parkway. One person has been taken by MedEvac to a local hospital with serious injuries.

Northbound traffic has been diverted onto Spout Run Parkway, according to Park Police.