The Brief A motorcyclist suffered life-threatening injuries Saturday after a collision on Ernest Barrett Parkway near Anderson Estates Court. A Saturday afternoon crash in Marietta left a motorcyclist fighting for life after separating from the bike on Ernest Barrett Parkway, police said. What we know:A 2005 Honda CBR600 motorcycle and a blue 2009 Toyota Corolla were both traveling northbound on Ernest Barrett Parkway around 1:19 p.m. Saturday. The bike then crossed the median before coming to a stop on the western shoulder of Ernest Barrett Parkway. Emergency medical responders transported the motorcyclist to a local hospital with life-threatening injuries after finding the rider on a driveway in the 3300 block of Ernest Barrett Parkway.