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Subpart E—National Tunnel Inspection Standards

23 CFR Part 650 Subpart E

Citation23 CFR Part 650 Subpart E
ContainsSections § 650.501–§ 650.517
CorpusDaily eCFR
Displayed edition2026-08-05
Last updated2026-08-05

Subpart E—National Tunnel Inspection Standards

Sections

Section numbering in the official eCFR can be non-consecutive. Omitted section numbers are not treated here as reserved unless the source explicitly labels them that way.

Authority23 U.S.C. 119, 144, and 315.
Source80 FR 41368, July 14, 2015, unless otherwise noted.