23 CFR § 750.155 - State standards.
---
identifier: "/us/cfr/t23/s750.155"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "23 CFR § 750.155 - State standards."
title_number: 23
title_name: "Highways"
section_number: "750.155"
section_name: "State standards."
chapter_name: "FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "H"
subchapter_name: "RIGHT-OF-WAY AND ENVIRONMENT"
part_number: "750"
part_name: "HIGHWAY BEAUTIFICATION"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
regulatory_source: "38 FR 16044, June 20, 1973, unless otherwise noted."
cfr_part: "750"
---
# 750.155 State standards.
This part does not prohibit a State from establishing and maintaining standards which are more restrictive with respect to directional and official signs and notices along the Federal-aid highway systems than these national standards.
[38 FR 16044, June 20, 1973, as amended at 40 FR 21934, May 20, 1975]