EntityQ34442· pop 161roadSign in to savethumb|Bundesautobahn 73 and its [[slip road leading to Erlangen, in Germany]]ConnectionsroundaboutEntitypublic–private partnershipEntityroad traffic safetyEntitywater wellEntitytunnelEntitysoil scienceEntityright- and left-hand trafficEntityautonomous carEntitystreamEntitylaneEntityinterchangeEntitytransportation engineeringEntitymaintenanceEntitycrushed stoneEntitytraffic barrierEntitytoll roadEntitymunicipal or urban engineeringEntitypermeabilityEntitygeotextileEntitysemi-trailer truckEntity