WAUKESHA COUNTY, Wis. (CBS 58) -- The Waukesha County Sheriff's Department is searching for a 28-year-old man whose vehicle was found abandoned at Nashotah County Park.

Allen Roller was last seen around 5:30 a.m. Sunday, Dec. 29 at the park. Family members reported him missing after finding his silver 2004 Lexus RS at the location, according to the sheriff's department.

Roller is described as a white man standing 6 feet tall and weighing 185 pounds with blue eyes and mid-length curly brown hair. His family said they don't know what clothing he was wearing.

Attempts to contact his phone have been unsuccessful. Foul play is not suspected at this time, officials said.

Anyone with information should call the Waukesha County Sheriff's Department at (262) 446-5070.