About: http://webisa.webdatacommons.org/228423779

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	Stop and Yield signs have this sort of clarity and legal support, while a zipper merge is an idea mostly outside the public's understanding and existing traffic code.
http://www.w3.org/ns/prov#wasQuotedFrom	heraldnet.com