Standard
Approach Locking Tests
Abstract
This standard provides procedures for testing rail transit signal system approach locking.
Document History
| Document Number | Version | Publication Date | Publication | Related Information |
|---|---|---|---|---|
| APTA RT-SC-S-004-02 | Rev. 1 | 01/31/2025 | Published | Current |
| APTA RT-SC-S-004-02 | Original | 09/22/2002 | Published | Superseded |
Keywords
approach locking, locking, signal, testing
Summary
This document provides prerequisites, procedures and requirements for testing rail transit approach locking. Individual rail transit agencies may modify these requirements to accommodate their specific equipment and mode of operation.
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