Bus routes operating in DC or Maryland use only a number, or a letter and a number, as noted below.
Cut pile carpets cut the yarn tips so there arenât any loops. Cut pile carpets tend to be denser and softer than loop pile. There are several types of cut pile: 1  Plush has an even, smooth texture with a formal appearance.  Saxony has a smooth finish, but the fibers are longer and twisted to give each fiber more body.
These are very durable carpets and usually a good choice for high-traffic areas. There are two types of loop pile carpeting: 1  Berber features large, uncut loops of natural-tone fibers varying in size and usually made from wool, nylon or olefin. 2  It's denser than most other carpets and highly stain resistant.