1. (a) The IJR should include an area of influence that addresses the safety concerns for the proposal and includes at least the adjacent interchanges along the freeway including the roads in the area of influence.

2. (b)

   1. (1) For most cases, this will be the same area as the operational analysis.
   2. (2) See Figure 2.
3. (c) The area of influence can and should be expanded where crash data suggests the need to do so, such as for high crash locations adjacent to the area.

Codification Notes: “IJR” means Interchange Justification Report.