Common Abbreviations

This article lists common abbreviations, acronyms and other word-shortenings used on this site. As the site grows, expect this list to as well.

Road-Related

AASHO - American Association of State Highway Officials
AASHTO - American Association of State Highway and Transportation Officials; succeeded the American Association of State Highway Officials in 1973
A&R# - Abandonment and Retention Number; old name for documents relating to transferring roads between jurisdictions
JT# - Jurisdictional Transfer Number; current name for A&Rs
MUTCD - Manual on Uniform Traffic Control Devices, published by AASHTO
ODOT - Oregon Department of Transportation; succeeded the Oregon State Highway Department in 1969
OR-xx - Oregon Route xx
OSHC - Oregon State Highway Commission
OSHD - Oregon State Highway Department
OTC - Oregon Transportation Commission; succeeded the Oregon State Highway Commission in 1973
SR xx - Washington State Route xx

None at the moment