The term SOME MAP LINES: ABBR. is an abbreviation for highways (HWYS), roads (RDS), streets (STS) and routes (RTES). These are all terms used to describe the different types of lines that appear on a map. Highways are typically the longest and widest roads, while roads are usually shorter and narrower. Streets are the smallest and most local roads, while routes are typically used to refer to roads that are not as well known or traveled.