A two-vehicle accident involving a motorcycle occured yesterday on eastbound highway 50 at the junction of 131 highway.  A vehicle driven by Abigail Doane, 20, of Lee’s Summit, traveling eastbound on 50, struck a Kawasaki motorcycle traveling northbound on 131, which failed to yeild.  The driver of the cycle,  Brock Quick, 20, of Lawson Missouri suffered serious injuries and was transported to Research Medical Center in Kansas City.