Section 374.314 - Traffic impact analysis; rules(1) Except as provided in subsection (2) of this section, the Department of Transportation may require a person applying for an approach permit under ORS 374.312 to submit a traffic impact analysis in conjunction with the application for an approach permit.(2) The department may not require a person applying for an approach permit to submit a traffic impact analysis when:(a) The average daily volume of trips at the property is 400 or fewer trips.(b) The average daily volume of trips at the property is more than 400 but fewer than 1,001 trips if: (A) The highway is a two-lane highway with fewer than 5,000 motor vehicles in annual average daily traffic;(B) The highway is a three-lane highway with fewer than 15,000 motor vehicles in annual average daily traffic;(C) The highway is a four-lane highway with fewer than 10,000 motor vehicles in annual average daily traffic; or(D) The highway is a five-lane highway with fewer than 25,000 motor vehicles in annual average daily traffic.(3) The average daily trips at a property may be determined using nationally recognized standards, as adopted by the department by rule.(4) The number of motor vehicles in annual average daily traffic for a state highway may be determined from the most recent edition of the transportation volume tables published annually by the department. The department shall post the transportation volume tables on the department's website.