Map of all numbered highways in Delaware
Legend:

  Interstate highway
  U.S. route
  Bannered U.S. route
  State route
  Bannered state route
State outline from US Census Cartographic Boundary Shapefile (public domain); road linework from various articles' KML files, created by each file's respective author.Own work
Mr. Matté (if there is an issue with this image, contact me using this image's Commons talk page, my Commons user talk page, or my English Wikipedia user talk page; I'll know about it a lot faster)