FIRST ALERT: Crash blocks portion of Ashley Phosphate Road Firefighters are asking drivers to avoid a portion of Ashley Phosphate Road because of a serious crash. (Source: Gray News) By Patrick Phillips | April 9, 2021 at 12:04 PM EDT - Updated April 9 at 12:04 PM NORTH CHARLESTON, S.C. (WCSC) - Firefighters are asking drivers to avoid a portion of Ashley Phosphate Road because of a serious crash. The North Charleston Fire Department says three lanes of Ashley Phosphate Road headed toward I-26 are blocked because of a crash. The crash involves an overturned vehicle, firefighters say. North Charleston Fire and Police and Charleston County EMS are on the scene.