About: http://webisa.webdatacommons.org/326909088

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	When installed correctly on certain roadways, they can prevent car crashes, especially for people who fall asleep at the wheel.
http://www.w3.org/ns/prov#wasQuotedFrom	seattlebikeblog.com