27 CAR § 95-402 – Relation to purpose and need

(a) Before embarking on any major analytical effort, the purpose and need (or problem, goal, or objective) must be identified.
(b) If the purpose and need, for example, is to reduce the back-of-queue of an adjacent exit ramp from extending onto the freeway main lanes, the operational analysis should be focused accordingly.
(c) The purpose and need will be a major factor in defining the scope and performance measures of the operational analysis and in the selection of an appropriate analysis tool.
(d) The purpose and need should be developed to a level of detail suitable for use in the National Environmental Policy Act of 1969, 42 U.S.C. § 4321 et seq., documentation.