Gribblenation

Circa 1955 following the conclusion of World War II the United States Bureau of Public Roads renumbered the Hawaii Route System.  The 1955 Hawaii Route Renumbering saw most of the conventions utilized by the current Hawaii State Route System established.  Primary Hawaii Routes were given two-digit numbers whereas Secondary Hawaii Routes were given three-digit numbers.  The Hawaii Routes were assigned in sequence for what Island/County they were located on coupled with what Federal Aid Program number they were tied to.  In the case of Oahu the Island was assigned numbers in the range of 60-99. The purpose of this blog is to examine each unsigned current Hawaii Route on Oahu.  Featured as the blog cover is the Middle Street overpass from eastbound Interstate H-1 which is part of unsigned Hawaii Route 7415.  Note: the unsigned Hawaii Routes on this page are sourced from the list provided on hawaiihighways.com .  This page is part of the Gribblenation...

Prior to the Statehood the first signed highways within Hawaii Territory came into existence during World War II.    During World War II the territory of Hawaii saw an influx of military activity following the attack on Pearl Harbor on December 7th, 1941.  Numerous Military Routes and early Hawaii Routes were signed through the Hawaiian Territory to aid military personnel in navigating the islands.  Military Highways were assigned US Route style shields whereas lesser highways were assigned an early variation of what is now the Hawaii Route Spade.  The original Hawaii Route Spade may have been an homage to the earliest versions of the California Highway Spade.   A 1946 Army Map of the Island of Oahu shows the entirety of the World War II era highway system.   A full version of the 1946 Army Map of Oahu can be seen hosted on hawaiihighways.com  here .  The Military Routes and Hawaii Routes on Oahu during World War II followed a grid ...