A single vehicle accident in Green Lake County Saturday night claimed a life. The sheriff’s office says 29 year old Kevin Steinmetz of Markesan was killed around 11:30 the evening when his car left County Highway “K” south of Ripon, entered the ditch and hit some trees. Authorities found Steinmetz deceased in the vehicle Sunday morning. Authorities say they believe excessive speed was a factor in the crash. This is the 3rd traffic fatality in Green Lake County this year.