The following highways are numbered 438: Newfoundland and Labrador Route 438 Japan National Route 438 Florida State Road 438 Iowa Highway 438 Louisiana Highway 438 Maryland Route 438 New York State Route 438 Pennsylvania Route 438 Puerto Rico Highway 438 Preceded by437 Lists of highways438 Succeeded by439 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.