CSM Second Annual Car and Truck Show. 1-5 p.m., May 18. College of Southern Maryland, Prince Frederick Campus, 115 J.W. Williams Road, Prince Frederick, Md. The College of Southern Marylands Prince Frederick Campus Student Association is sponsoring its second annual car and truck show. Vehicles entered in the competition will be judged in one of three categories: best car, best truck and best of show. Interested participants can register on-line or the day of the show. All vehicles must be registered by 3 p.m. the day of the show. Free refreshments and entry. 443-550-6022, or 301-934-7790, 301-870-2309, 240-725-5499, Ext. 6022 or www.csmd.edu/events/CarShow.