---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtA/part1/subpartD"
level: "subpart"
label: "Subpart D"
heading: "Operating Administrations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtA-part1-subpartD"
sections_count: 23
---

# Subpart D — Operating Administrations

Title 49 C.F.R. — Transportation › Subtitle A — Office of the Secretary of Transportation › Part 1 — Organization and Delegation of Powers and Duties

## Sections

- [§1.80. Overview.](/cfr/49/1.80.md)
- [§1.81. Delegations to all Administrators.](/cfr/49/1.81.md)
- [§1.81a. Redelegation by all Administrators.](/cfr/49/1.81a.md)
- [§1.82. The Federal Aviation Administration.](/cfr/49/1.82.md)
- [§1.83. Delegations to the Federal Aviation Administrator.](/cfr/49/1.83.md)
- [§1.84. The Federal Highway Administration.](/cfr/49/1.84.md)
- [§1.85. Delegations to the Federal Highway Administrator.](/cfr/49/1.85.md)
- [§1.86. The Federal Motor Carrier Safety Administration.](/cfr/49/1.86.md)
- [§1.87. Delegations to the Federal Motor Carrier Safety Administrator.](/cfr/49/1.87.md)
- [§1.88. The Federal Railroad Administration.](/cfr/49/1.88.md)
- [§1.89. Delegations to the Federal Railroad Administrator.](/cfr/49/1.89.md)
- [§1.90. The Federal Transit Administration.](/cfr/49/1.90.md)
- [§1.91. Delegations to the Federal Transit Administrator.](/cfr/49/1.91.md)
- [§1.92. The Maritime Administration.](/cfr/49/1.92.md)
- [§1.93. Delegations to the Maritime Administrator.](/cfr/49/1.93.md)
- [§1.94. The National Highway Traffic Safety Administration.](/cfr/49/1.94.md)
- [§1.95. Delegations to the National Highway Traffic Safety Administrator.](/cfr/49/1.95.md)
- [§1.96. The Pipeline and Hazardous Materials Safety Administration.](/cfr/49/1.96.md)
- [§1.97. Delegations to the Pipeline and Hazardous Materials Safety Administrator.](/cfr/49/1.97.md)
- [§1.98. The Research and Innovative Technology Administration.](/cfr/49/1.98.md)
- [§1.99. Delegations to the Research and Innovative Technology Administrator.](/cfr/49/1.99.md)
- [§1.100. The Saint Lawrence Seaway Development Corporation.](/cfr/49/1.100.md)
- [§1.101. Delegations to the Saint Lawrence Seaway Development Corporation Administrator.](/cfr/49/1.101.md)