49 CFR §372.221

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

For the purpose of determining commercial zones, utilizing the general population-mileage formula as set forth in § 372.241, each of the following combinations of cities shall be considered as a single municipality:

(a)Having a population equal to the sum of their combined populations, and
(b)Having boundaries comprised of their combined corporate limits, with the common portion thereof disregarded:
1. (1)Bluefield, Va.-W. Va.
2. (2)Bristol, Va.-Tenn.
3. (3)Davenport, Iowa, and Rock Island and Moline, Ill.
4. (4)Delmar, Del-Md.
5. (5)Harrison, Ohio-West Harrison, Ind.
6. (6)Junction City, Ark.-La.
7. (7)Kansas City, Mo.-Kansas City, Kans.
8. (8)Minneapolis-St. Paul, Minn.
9. (9)St. Louis, Mo.-East St. Louis, Ill.
10. (10)Texarkana, Ark.-Tex.
11. (11)Texhoma, Tex.-Okla.
12. (12)Union City, Ind.-Ohio.