---
kind: "section"
citation: "40 C.F.R. § 51.213"
title: "40"
number: "51.213"
heading: "Transportation control measures."
url: "https://uscodex.org/cfr/40/51.213"
---

# §51.213. Transportation control measures.

- (a) The plan must contain procedures for obtaining and maintaining data on actual emissions reductions achieved as a result of implementing transportation control measures.
- (b) In the case of measures based on traffic flow changes or reductions in vehicle use, the data must include observed changes in vehicle miles traveled and average speeds.
- (c) The data must be maintained in such a way as to facilitate comparison of the planned and actual efficacy of the transportation control measures.

## Notes

### Amendments

[61 FR 30163, June 14, 1996]

### Source

Source: 51 FR 40673, Nov. 7, 1986, unless otherwise noted.

### Authority

Authority: 23 U.S.C. 101; 42 U.S.C. 7401-7671q.

### Source

Source: 36 FR 22398, Nov. 25, 1971, unless otherwise noted.

### Amendments

[61 FR 30163, June 14, 1996]