23 CFR § 655.606 - Higher cost materials.

---
identifier: "/us/cfr/t23/s655.606"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "23 CFR § 655.606 - Higher cost materials."
title_number: 23
title_name: "Highways"
section_number: "655.606"
section_name: "Higher cost materials."
chapter_name: "FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "G"
subchapter_name: "ENGINEERING AND TRAFFIC OPERATIONS"
part_number: "655"
part_name: "TRAFFIC OPERATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "23 U.S.C. 101(a), 104, 109(d), 114(a), 217, 315, and 402(a); 23 CFR 1.32; and 49 CFR 1.85."
cfr_part: "655"
---


# 655.606 Higher cost materials.

The use of signing, pavement marking, and signal materials (or equipment) having distinctive performance characteristics, but costing more than other materials (or equipment) commonly used may be approved by the FHWA Division Administrator when the specific use proposed is considered to be in the public interest.