ORS 810.250¹
Use of traffic control device placement or legibility as evidence

(1) A person shall not be convicted of violating a provision of the vehicle code for which an official traffic control device is required if the device is not in proper position and legible to a reasonably observant person at the time and place of the alleged violation.

(2) Whenever a particular section of the vehicle code does not state that traffic control devices are required, the section is effective even though no devices are erected or in place.

(3) When a traffic control device is placed in position approximately conforming to the requirements of the traffic regulations or other laws of this state, the device is presumed to have been placed by an official act or at the direction of lawful authority unless the contrary is established by competent evidence.

(4) A traffic control device placed under the vehicle code or other laws or regulations of this state and purporting to conform to the lawful requirements pertaining to that device is presumed to comply with the requirements of the vehicle code unless the contrary is established by competent evidence. [1983 c.338 §167]

Notes of Decisions

Proper posi­tioning of traffic control device is not ele­ment of of­fense of failure to obey traffic control device (ORS 811.265 (Driver failure to obey traffic control device)), but is fact that defendant is entitled to challenge by af­firm­a­tive de­fense. State v. Boly, 210 Or App 132, 149 P3d 1237 (2006)

1 Legislative Counsel Committee, CHAPTER 810—Road Authorities; Courts; Police; Other Enforcement Officials, https://­www.­oregonlegislature.­gov/­bills_laws/­ors/­ors810.­html (2019) (last ac­cessed May 16, 2020).
2 Legislative Counsel Committee, Annotations to the Oregon Revised Stat­utes, Cumulative Supplement - 2019, Chapter 810, https://­www.­oregonlegislature.­gov/­bills_laws/­ors/­ano810.­html (2019) (last ac­cessed May 16, 2020).
3 OregonLaws.org assembles these lists by analyzing references between Sections. Each listed item refers back to the current Section in its own text. The result reveals relationships in the code that may not have otherwise been apparent. Currency Information