What color are guided signs on Pennsylvania Interstates?
None of the above. If that is not an option you may wish to double-check that you worded the question correctly. Guide signs should be green with white text and arrows. Guide signs for services (food, fuel, lodging) as well as guide signs TO Interstate highways are often blue with white text and arrows. Guide signs in or for parks are typically brown with white text. If I had to pick from the choices you gave, my guess would be B, white with black arrow, since this is what is used for US highways (like 1, 6, 30, 222, 322, 422, 15, 219, etc) as well as Pennsylvania state highways.