The AAR Embargo/OPSL System is used to issue embargoes or OPSL notes. These tools allow railroads to temporarily control traffic movements.Embargo: Valid for one year.OPSL Note: Valid for more than...
This document lists questions and answers for the AAR Embargo/OPSL Notes and Permit System (AAR Embargo System). The questions are divided into the following categories: Embargoes, Permits, and OPS...