48 C.F.R. § 47.301 – General.

(a) Transportation and traffic management factors are important in awarding and administering contracts to ensure that (1) acquisitions are made on the basis most advantageous to the Government and (2) supplies arrive in good order and condition and on time at the required place. (See 47.104 for possible reduced transportation rates for Government shipments).
(b) The requiring activity shall—
1. (1) Consider all transportation factors including present and future requirements, positioning of supplies, and subsequent distribution to the extent known or ascertainable; and
2. (2) Provide the contracting office with information and instructions reflecting transportation factors applicable to the particular acquisition.