EntityQ94600· pop 18· linked from 446 articlesInterstate 66Sign in to saveinterstate highway in the United StatesConnectionsCapital BeltwayEntityFoggy BottomEntityWashington, D.C.EntityInterstate Highway SystemEntityinterchangeEntityDunn LoringEntityInterstate 29EntityInterstate 84EntityFederal Highway AdministrationEntityK StreetEntityLocal-express lanesEntityUnited StatesCountryVirginiaEntityWikimedia CommonsEntityBaltimoreEntityWhite HouseConceptRichmondEntitykilometreEntityUnited States CongressEntitymileEntityCategoriesCancelled highway projects in the United StatesInfobox road instances in the United StatesInterstate 66Interstate Highways in VirginiaInterstate Highways in Washington, D.C.Jctint template hatnote tracking categoryJctint template tracking categoryTransportation in Arlington County, VirginiaTransportation in Fairfax County, VirginiaTransportation in Fauquier County, VirginiaTransportation in Frederick County, Virginia