The zone adjacent to, and commercially a part of Charleston, S.C., within which transportation by motor vehicle in interstate or foreign commerce, not under common control, management, or arrangement for a continuous carriage or shipment to or from a point beyond such zone, is partially exempt from regulation under 49 U.S.C. 13506(b)(1) includes and is comprised of all points as follows:
(a) The municipality of Charleston, S.C., itself;
(b) All points within a line drawn 6 miles beyond the municipal limits of Charleston;
(c) Those points in Charleston County, S.C., which are not within the areas described in paragraph (b) of this section; and those points in Berkley County, S.C., which are not within the areas described in paragraph (b) of this section, and which are west of South Carolina Highway 41; and all points in Dorchester County, SC.
(d) All of any municipality any part of which is within the limits of the combined areas defined in paragraphs (b) and (c) of this section, and
(e) All of any municipality wholly surrounded, or so surrounded except for a water boundary, by the municipality of Charleston or by any other municipality included under the terms of paragraph (d) of this section. [41 FR 56653, Dec. 29, 1976, as amended at 46 FR 28658, May 28, 1981; 62 FR 15422, Apr. 1, 1997]