Bus routes operating in DC or Maryland use only a number, or a letter and a number, as noted below.
The two main types of carpet construction are defined by the way the carpet fibers are attached to their backing. Loop pile means the fibers are bent into little loops. Itâs a very durable, stain-resistant carpeting, but has a low profile and limited cushioning. Level loop is also called Berber.
All true outdoor Grass carpets are made with UV treated grass carpet fibers which reduce the fading caused by sunlight. There are a variety of Grass carpet backings used to help these carpets hold up outdoors. Some of these backings require glue to be used to hold them in place.