About: http://webisa.webdatacommons.org/335796768

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	Traffic calming is presently achieved by building speed bumps, speed humps and other similar devices mainly from asphalt or concrete.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com