Periodically, the Association of American Railroads (AAR), in consultation with industry experts, issues guidance on a wide range of topics related to rail transportation. This guidance is published in OT circulars.

The Centralized Station Master (CSM) is a geographic location file which contains data about rail and motor carrier points for North America and international areas.

The Customer Identification File (CIF) contains the name, physical and mailing address, corporate parent identification, and a unique identification code for each location of a transportation carrier customer.

FindUs.Rail is a centralized database that enables users to review and manage their company's contact information, helping railroad departments, private car owners, and leasing companies stay connected.

The Association of American Railroads' (AAR) Hazardous Materials Shipping Description Database contains Hazardous Materials Regulatory information which allows railroads and customers to properly create EDI transactions and shipping papers for haz

From time to time, Railinc produces research reports and delivers presentations on relevant rail industry topics.

The Junction Interchange File (JUNC) is the basis for identification of inter-carrier activities. This file contains records for each junction abbreviation and pairs of reporting marks that interchange at that junction.

Reporting Marks are stenciled on owned and leased equipment. Marks are used as equipment ID's for all electronic interfaces between railroads, their customers, and Railinc systems and files.

National Tariffs are a collection of documents that provide uniform rules for handling shipments by rail, including use of private equipment, heavy-duty flat cars, rate base points and export shipments.

The Official Railroad Station List, known in the rail industry as the OPSL, is a critical rail industry publication governing rail geography.  The OPSL gives carriers one central source in which to publish an authoritative list of their stations a

The Route File (ROUTE) was initially designed to support the Rate EDI Network (REN). The route code is an amalgamation of two Standard Point Location Codes (origin and destination) with a sequential 4-digit number which identifies revenue routes.

The Serving Carrier/Reciprocal Switch (SCRS) file provides a standardized verification process of whether a railroad may serve, or under what conditions a railroad may serve, a specific customer at common service points.

The Shipment Conditions File (SCF) is a reference file that qualifies the application of a price.

A Standard Point Location Code (SPLC) is assigned to all stations registered by rail carriers. Between six to nine digits, this numeric code is used to specify the physical location of a station.

The Standard Transportation Commodity Code (STCC) is a publication containing specific product information used on waybills and other shipping documents. A STCC code is a seven digit numeric code representing 38 commodity groupings.