This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
n5dot.
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:40480279
rdf:type
prov:Entity
prov:value
Long used in the United Kingdom and other Commonwealth countries as an alternative to signalizing intersections, they have seen relatively recent adoption in the United States and are gaining increased acceptance for intersection control.
prov:wasQuotedFrom
n5:gov
Subject Item
isap:435754809
prov:wasDerivedFrom
isa:40480279