What follows is the entire 1989 Edition of the U.S. Numbered Highways. It is planned to update this book in the very near future.

USRN_Cover_to_page_ix.pdf

USRN_page_001_to_054.pdf

USRN-page055_100.pdf

USRN-page101_186.pdf

USRN-page187_210Notes.pdf

Log of US Route Numbers appearing in the 1989 Edition (in MS Excel)