49 CFR 372.229: Spokane, WA.

The zone adjacent to, and commercially a part of Spokane, WA, within which transportation by motor vehicle, in interstate or foreign commerce, not under control, management, or arrangement for shipment to or from points 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 Spokane, WA, itself,

(b) All points within a line drawn 8 miles beyond the municipal limits of Spokane;

(c) All points within that area more than 8 miles beyond the municipal limits of Spokane bounded by a line as follows: From the intersection of the line described in (b) of this section and U.S. Highway 2, thence westerly along U.S. Highway 2 to junction Brooks Road, thence southerly along Brooks Road to junction Hallett Road, thence easterly along Hallett Road to its intersection with the line described in (b) of this section;

(d) All of any municipality any part of which is within the limits of the combined areas 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 Spokane or any other municipality included under the terms of paragraph (d) of this section.