---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chIII/subchB/part390"
level: "part"
label: "Part 390"
heading: "Federal Motor Carrier Safety Regulations; General"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chIII-subchB-part390"
sections_count: 59
---

# Part 390 — Federal Motor Carrier Safety Regulations; General

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter III — Federal Motor Carrier Safety Administration, Department of Transportation › Subchapter B — Federal Motor Carrier Safety Regulations

## Contents

- [Subpart A — General Applicability and Definitions](/cfr/49/subtB-chIII-subchB-part390-subpartA.md)
- [Subpart B — General Requirements and Information](/cfr/49/subtB-chIII-subchB-part390-subpartB.md)
- [Subpart C — Requirements and Information for Intermodal Equipment Providers and for Motor Carriers Operating Intermodal Equipment](/cfr/49/subtB-chIII-subchB-part390-subpartC.md)
- [Subpart D — National Registry of Certified Medical Examiners](/cfr/49/subtB-chIII-subchB-part390-subpartD.md)
- [Subpart E-suspended — Unified Registration System](/cfr/49/subtB-chIII-subchB-part390-subpartE-suspended.md)
- [Subpart F — Subpart F [Reserved]](/cfr/49/subtB-chIII-subchB-part390-subpartF.md)
- [Subpart G — Lease and Interchange of Passenger-Carrying Commercial Motor Vehicles](/cfr/49/subtB-chIII-subchB-part390-subpartG.md)