AR 56-3 — Army Rail Operations

AR 56-3 governs Department of the Army policies and responsibilities for managing and operating the Army Rail Enterprise.

Search AR 56-3

  • Publication number: AR 56-3
  • Title: ARMY RAIL OPERATIONS
  • Date: 08/09/2024
  • Proponent: G-4
  • Status: ACTIVE

View AR 56-3 on armypubs.army.mil


It covers rail requirements, equipment management, reporting, operations, certification, training, maintenance, safety, and disposition. It requires documentation, inspections, readiness reporting, regulatory compliance, and installation rail operating procedures.

Topics covered

  • Army Rail Enterprise
  • Rail equipment requirements
  • Rail equipment management
  • Rail operations certification and training
  • Rail equipment maintenance and inspection
  • Rail equipment repair and disposition
  • Rail safety

Questions and answers

How must Army rail equipment requirements be analyzed?

Analysis is based on the average daily switching requirements of an installation during both peacetime and mobilization. (paragraph 3-3)

When is a cost-benefit analysis required for rail equipment submissions?

Cost-benefit analysis is required for all submissions costing $1 million or more to add equipment to TDAs and AUGTDAs. (paragraph 3-4)

Where must captive fleet rail equipment be documented?

All captive fleet rail equipment must be annotated on the assigned installation TDA and property books. (paragraph 4-2)

When can captive fleet rail equipment move off the installation?

Captive fleet rail equipment may not move in interchange service (for example, off the installation) except during repositioning to another installation and after receiving authorization from the CG, SDDC. (paragraph 4-2)

What regulations must Army rail personnel comply with?

All Army activity and installation personnel will comply with 49 CFR, Chapter II. (paragraph 5-1)

Ask Reggie.Bot a question about AR 56-3