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References
- ↑ Staff (August 2020). "2019 Oregon Mileage Report" (PDF). Salem: Oregon Department of Transportation. pp. 13, 54–68. Retrieved October 9, 2020.
- ↑ Staff (2020). "Cross Reference Table of State Highway Number to Route Number" (PDF). Salem: Oregon Department of Transportation. pp. 3–4. Retrieved September 21, 2020.
- ↑ RW Engineering Group (August 4, 2017). History of State Highways in Oregon (PDF). Salem: Oregon Department of Transportation. p. 59-1. Retrieved October 8, 2020.
- ↑ History (2017), p. 121-1
- ↑ History (2017), p. 122-1
- ↑ History (2017), p. 124-1
- ↑ History (2017), p. 125-1
- ↑ History (2017), pp. 124-1–2
- ↑ History (2017), p. 156-1
- ↑ History (2017), p. 164-1
- ↑ History (2017), p. 165-1
- ↑ History (2017), p. 170-1
- ↑ History (2017), p. 182-1
- ↑ History (2017), p. 192-4
- ↑ History (2017), p. 202-1
- ↑ History (2017), p. 210-3
- ↑ History (2017), p. 213-1
- ↑ History (2017), p. 214-1
- ↑ History (2017), p. 220-3
- ↑ History (2017), p. 221-1
- ↑ History (2017), p. 224-1
- ↑ History (2017), p. 232-1
- ↑ History (2017), p. 234-1
- ↑ History (2017), p. 235-1
- ↑ History (2017), p. 236-1
- ↑ History (2017), p. 237-1
- ↑ History (2017), p. 243-3
- ↑ History (2017), p. 261-1
- ↑ History (2017), p. 280-1
- ↑ History (2017), p. 283-1
- ↑ History (2017), p. 284-1
- ↑ History (2017), p. 331-1
- ↑ History (2017), p. 336-1
- ↑ History (2017), p. 337-1
- ↑ History (2017), p. 338-1
- ↑ History (2017), p. 343-1
- ↑ History (2017), p. 371-2
- ↑ History (2017), p. 373-2
- ↑ History (2017), p. 374-2
- ↑ History (2017), p. 375-2
- ↑ History (2017), p. 401-1
- ↑ History (2017), p. 411-2
- ↑ History (2017), p. 412-1
- ↑ History (2017), p. 412-1
- ↑ History (2017), p. 423-2
- ↑ History (2017), p. 424-1
- ↑ History (2017), p. 425-2
- ↑ History (2017), p. 427-2
- ↑ History (2017), p. 441-3
- ↑ History (2017), p. 452-1
- ↑ History (2017), p. 455-1
- ↑ History (2017), p. 457-1
- ↑ History (2017), p. 458-1