About: http://webisa.webdatacommons.org/307862725

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	The reason roads fill up is that they are non-rival until they are used heavily -- my using a road does not affect your using a road until there is traffic -- and once there is traffic, any persons effect on traffic is an externality.
http://www.w3.org/ns/prov#wasQuotedFrom	blogs.com