Reference Library

OT-10 is an Association of American Railroads (AAR) operating circular that establishes the Code of Car Service and Code of Car Hire Rules for freight railcars, defining how railroad companies interchange, use, and return each other’s equipment. It also sets the standards for responsibility, compensation (car hire), dispute resolution, and reporting to promote efficient and fair utilization of freight cars across the North American rail network.

This document provides a detailed reference of Liability Continuity System (LCS) interchange reason codes, explaining how and why specific interchange records are created, matched, suppressed, or corrected within TRAIN II and related systems. It is intended for car accounting and car service professionals who need to interpret LCS outputs, understand liability assignments, and resolve interchange discrepancies.

A comprehensive glossary of commonly used acronyms across railroad operations, car accounting, car hire, interline settlement, and regulatory contexts. This reference serves as a quick lookup for industry terminology used in reports, systems, rules, and professional communications.

This document defines key industry terms related to railroad car service, car hire, interline operations, settlements, and equipment management. It provides historical context and standardized definitions commonly referenced in Circular OT-10, AAR rules, and related industry publications.

An official AAR publication outlining the rules governing intermodal trailer and container service, handling, reporting, and liability. This document includes definitions, reporting requirements, rule interpretations, and reference forms used in intermodal equipment management and settlement processes.