---
kind: "section"
citation: "49 C.F.R. § 372.243"
title: "49"
number: "372.243"
heading: "Controlling distances and population data."
url: "https://uscodex.org/cfr/49/372.243"
---

# §372.243. Controlling distances and population data.


In the application of [§ 372.241](/cfr/49/372.241.md):

- (a) Air-line distances or mileages about corporate limits of municipalities shall be used.
- (b) The population of any municipality shall be deemed to be the highest figure shown for that municipality in any decennial census since (and including) the 1940 decennial census.
- (c) Contraction of municipal boundaries will not alter the size of commercial zones.

## Notes

### Amendments

[32 FR 20040, Dec. 20, 1967, as amended at 37 FR 15701, Aug. 4, 1972; 50 FR 10233, Mar. 14, 1985; 62 FR 15422, Apr. 1, 1997]

### Source

Source: 41 FR 56653, Dec. 29, 1976, unless otherwise noted. Redesignated at 61 FR 54708, Oct. 21, 1996.

### Authority

Authority: 49 U.S.C. 13504 and 13506; Pub. L. 105-178, sec. 4031, 112 Stat. 418; and 49 CFR 1.87.

### Amendments

[32 FR 20040, Dec. 20, 1967, as amended at 37 FR 15701, Aug. 4, 1972; 50 FR 10233, Mar. 14, 1985; 62 FR 15422, Apr. 1, 1997]