Toter portable restroom transport trailers from Ameri-Can are available in lengths from 16 to 40 feet and carry up to 20 restrooms. The drop-bar feature enables large units such as ADA and handicap-accessible models to be easily transported. The easy-load design saves time. Each trailer is manufactured with steel for strength and a long life span. 574/892-5151; www.ameri-can.com.