Interstate traffic Means:
(i) The movement of any conveyance or the transportation of persons or property, including any portion of such movement or transportation that is entirely within a State or possession -
(ii) From a point of origin in any State or possession to a point of destination in any other State or possession; or
(iii) Between a point of origin and a point of destination in the same State or possession but through any other State, possession, or contiguous foreign country.
(2) Interstate traffic does not include the following:
(i) The movement of any conveyance which is solely for the purpose of unloading persons or property transported from a foreign country, or loading persons or property for transportation to a foreign country.
(ii) The movement of any conveyance which is solely for the purpose of effecting its repair, reconstruction, rehabilitation, or storage.
42 CFR § 70.1
As used in this part, terms shall have the following meaning: