Abstract
On October 1, 1926, all Indiana State Routes were renumbered to today’s naming convention. To note the centennial of our modern highway numbering system, this presentation will cover the Good Roads movement; the how, what, and why of the standards set by AASHO and the Feds; the logistics of renumbering all of the roads in the state (including cardboard temporary signs); and details about the State Highway budget at the time.
Session Number
62
Session Title
100 Years Since “The Great Renumbering”
Track Title
PAVEMENTS
Location
STEW 202
Date of Version
2026
Start Date
3-17-2026 11:00 AM
End Date
3-17-2026 11:50 AM
100 Years Since “The Great Renumbering”
STEW 202
On October 1, 1926, all Indiana State Routes were renumbered to today’s naming convention. To note the centennial of our modern highway numbering system, this presentation will cover the Good Roads movement; the how, what, and why of the standards set by AASHO and the Feds; the logistics of renumbering all of the roads in the state (including cardboard temporary signs); and details about the State Highway budget at the time.


