Aerial View Maps

1935sinclairp jpg

Summary: first appear in 1925 and modern US route numbers in 1926 on a few major roads i e US 30 and US 40 For more on early route numbering see The Pennsylvania State Route Numbering System Oil company road maps have a special significance for Pennsylvania because the oil industry started near Titusville with Edwin Drake s oil well in 1859 Gulf based in Pittsburgh was

Image Dimensions: 500 x 199