Federal Register #FRA-2026-2377

Notice of Petition to Discontinue Legacy Cab Signal Systems and Transition to PTC Enforcement

This notice from the Federal Railroad Administration (FRA), under the Department of Transportation, announces a petition by Norfolk Southern Railway Company to modify its signaling systems. - Government Buyer: - Federal Railroad Administration (FRA), Department of Transportation - Petitioning Entity: - Norfolk Southern Railway Company - Scope of Modification: - Discontinuation of legacy cab signal systems on 14 line segments - Transition to a block system enforced by positive train control (PTC) - Consolidation of movement authority supervision and speed enforcement into the PTC system - Elimination of conflicting indications and failure modes associated with coded track-circuit cab signal transmission - OEMs and Vendors: - No specific OEMs or vendors are mentioned in this notice - Products/Services Requested: - No direct procurement of products or services is involved - Notable Requirements: - Public comments are invited regarding the proposed modification - The modification is intended to improve operational safety and reduce system redundancy

Description

Norfolk Southern Railway Company has filed a petition with the Federal Railroad Administration (FRA) seeking approval to discontinue or modify a railroad signal system. The proposed change involves discontinuing legacy cab signal systems and transitioning to a block system enforced by positive train control (PTC) on 14 line segments. This modification aims to maintain and enhance operational safety by consolidating movement authority supervision and speed enforcement into the existing PTC system, reducing potential conflicting indications and eliminating failure modes associated with the current cab signaling. Public comments on the petition are invited and must be received by November 9, 2026.

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