<http://schema.org/keywords>
"highway details, highway engineering, highway, road, pavement, Autobahn, Stra\u00DFen, Pflaster, autoroute, route, trottoir, estrada, cal\u00E7ada"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/edge-of-pavement-details--surface-water-channel-requiring-safety-barrier-protection_52355>