<http://webisa.webdatacommons.org/prov/40388488>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/23127771> .
<http://webisa.webdatacommons.org/23127771>	<http://www.w3.org/ns/prov#value>	"The statistical analysis shall be based upon the best available crash, traffic, and other data, and shall cover a period of time before and after installation of the system sufficient to provide a statistically valid comparison of safety impact." .
<http://webisa.webdatacommons.org/23127771>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<gurnee.il.us> .
<http://webisa.webdatacommons.org/23127771>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .