; (B) a security risk assessment of each alternative route and storage pattern that includes the information required under subsection (d); and (C) a comparison of the risks identified under subparagraph (B) to the applicable primary rail transportation route and storage pattern analyzed under subsection (d). (2) Considerations A railroad carrier shall consider the availability of interchange agreements or systems of tracks and facilities owned by other operators when determining whether an alternate route for transporting security sensitive material to avoid areas of concern is practical pursuant to paragraph (1)(A). (3) Impractical alternative route or storage facility A railroad carrier may consider an alternate route or storage facility that avoids an area of concern to not be a practical alternative route and storage pattern under paragraph (1)(A) if— (A) the shipment originates in or is destined for the area of concern