Common Abbreviations
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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
- **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
Others
- **WWI** - World War I
- **WWII** - World War II
