About: http://webisa.webdatacommons.org/283313093

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I have always assumed that the purpose of color (and line-weight) in mapping is to convey information that is not obvious from the lines themselves -- information such as frequency and span.
http://www.w3.org/ns/prov#wasQuotedFrom	humantransit.org