About: http://webisa.webdatacommons.org/209495162

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	Implementing TWSC or AWSC is cheaper, by several magnitudes, than installing a traffic signal, which nowadays costs from $80,000 to $100,000 or more depending on bells and whistles such as crosswalk signals and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	djcoregon.com