The Surface Transportation Board (the Board) grants final approval to a class exemption for the construction and operation of connecting railroad track in Ex Parte No. 392 (Sub-No. 2) and terminates the Ex Parte No. 392 (Sub-No. 3) proceeding that proposed to adopt a different class exemption for all rail construction projects not covered by the connecting track exemption. Final regulations establishing the exemption for connecting track are set forth below.