A woman was rushed to the hospital after an early morning crash in Mangilao along Route 15 near Andy South and the Pagat Cave area around 2 am.  The driver's car ran off the road and hit a concrete utility pole. 

The woman, who first responders say is in her 20's, was rushed to Guam Regional Medical City to be treated for serious injuries.  Her condition has not yet been released. 

The crash resulted in traffic delays for several hours. Investigators cleared the area just before 10 am. 

The Guam Police Department is investigating the cause of the crash.