The first numbered routes in Delaware came in 1925 with the designation of the U.S. Highway System , in which US 13 , US 40 , and US 113 were legislated to run through the state .
The first numbered routes in Delaware came in 1925 with the creation of the U.S. Highway System , in which US 13 , US 40 , and US 113 were made by law to run through the state .