A Greenfield man was killed in a single-vehicle crash over the weekend. The accident happened around 1:30 Saturday morning in rural Madison County. According to the sheriff’s office in Winterset, 22-year-old Scott Wood and 22-year-old Adam Seley, both from Greenfield, were driving on a county road south of Earlham. Their vehicle apparently went off the road. Wood was killed in the wreck, while Seley was flown from the scene to a Des Moines hospital. Authorities are still investigating the cause of the wreck.