List of highways numbered 12D The following highways are numbered 12D: United States[edit] Nebraska Spur 12D New York State Route 12D Secondary State Highway 12-D (Washington) (former) See also[edit] List of highways numbered 12 List of roads or other routes with the same name This article includes a list of roads, streets, highways, or other routes that are associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.