About: http://webisa.webdatacommons.org/229052976

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	Basically, replace all the signs that say 55 with electronic signs that would say 55 most of the time, but if there is an accident, you lower the limit a few miles before the accident, say to 50 then 45 then 40.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org