EntityQ338722· pop 9· linked from 12 articlesmergeSign in to savepoint where two streams of traffic travelling in the same direction are required to merge into a single laneConnectionsWarsawEntityPennsylvaniaEntityIndianaEntityMinnesotaConceptMissouriEntityBritish ColumbiaEntityInternational Standard Book NumberEntitycontrolled-access highwayEntitytraffic signEntityinterchangeEntityM25 motorwayEntityvariable-message signEntityroadworksEntityFederal Highway AdministrationEntitytraffic flowEntityTom VanderbiltEntityCategoriesRoad traffic management