Metrolinx Technical Standards
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PUBLICATION NEWS
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May 2025
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
May 8, 2025 | Metrolinx Approved Track Ballast Suppliers | 32 11 25.1 | 00 | Metrolinx Approved Track Ballast Suppliers for Main and Yard Tracks |
April 2025
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
April 29, 2025 | Metrolinx Track Standards (MTS) - Heavy Rail | RC-0506-02TRK | 00 | Contains requirements that Metrolinx heavy rail tracks are designed, constructed, and maintained to. |
April 29, 2025 | Metrolinx Track Standards - Heavy Rail Redline Markup | RC-0506-02TRK - Redline | 00 | Contains requirements that Metrolinx heavy rail tracks are designed, constructed, and maintained to. |
April 29, 2025 | Track Clearance Requirements (1/2) | GTS-3003 | 01 | Demonstrates clearance envelopes for various situations throughout Metrolinx Network. |
April 29, 2025 | Track Clearance Requirements (2/2) | GTS-3003 | 01 | Demonstrates clearance envelopes for various situations throughout Metrolinx Network. |
April 29, 2025 | Track Clearance Design Guideline | GTS-3004 | 01 | Contains requirements for track spacing clearances and platform offset requirements through curves. |
April 29, 2025 | Track Clearance Design Guideline Rail Platforms on Curved Track | GTS-3004 | 00 | Contains requirements for track spacing clearances for platforms located within curved track. |
April 29, 2025 | Construction Work Zone Fencing with Temporary Concrete Barriers | GTS-3006 | 00 | Indicates fencing requirements for installation of TCBs for Continuous Work Zones. |
April 29, 2025 | Temporary Construction and Customer Experience for GO Facilities | MX-STS-STD-001 | 01 | Design, planning and implementation requirements at GO Facilities during new/ temporary construction. |
April 25, 2025 | Asset Document Control List | MX-ALM-TMP-003 | 11 | A template to plan for and capture a list of asset documents being handed over for Capital Projects |
April 22, 2025 | Grade Crossing Warning Systems Post Incident Checklist | SCP-0701-Form | 01 | Grade Crossing Warning System Post Incident Checklist |
April 22, 2025 | CGWS Deactivation Form | SCP-709-Form | 01 | Grade Crossing Warning System Deactivation form |
April 22, 2025 | WIS Maintenance & Inspection Test Card | SCP-901-Form | 01 | Wayside Inspection System maintenance and inspection test form |
April 22, 2025 | Service Test Form | SCP-1201-Form | 00 | Service Test Form |
April 22, 2025 | Switch Circuit Controller, Shunt Fouling, Switch Obstruction | SCP-1202_4-Form | 00 | Switch Circuit Controller, Shunt Fouling, Switch Obstruction test form |
April 22, 2025 | Interlocking Tests | SCP-1202_5-Form | 00 | Interlocking test form |
April 22, 2025 | Interlocking Tests - Mechanical Locking | SCP-1202_6-Form | 00 | Interlocking test - Mechanical Locking test form |
April 22, 2025 | VRLA/NICAD Battery C/8 Deep-Cycle Discharge Record | SCP-1205_B-Form | 00 | Battery Discharge record form |
April 22, 2025 | Highway Traffic - Grade Crossing Warning System Interconnection | SCP-1205_C-Form | 01 | Grade Crossing Warning System Interconnection form |
April 22, 2025 | In Service Notification | SCP-1208_1-Form | 00 | In-service Notification form |
April 22, 2025 | Record of Insulated Joint Inspections | SCP-1208_A&B-Form | 00 | Insulated Joint record of inspection form |
April 22, 2025 | Tasks Required for the Acceptance of the Signal System | SCP-1209-Form | 00 | Signal – Safety Assurance Installation & Commissioning Process Checklist |
April 22, 2025 | Signal Testing Certification Form | SCP-1209_1-Form | 00 | Signal Testing Certification Form |
April 22, 2025 | Staged Testing Certification Form | SCP-1209_2-Form | 00 | Staged Testing Certification Form |
April 22, 2025 | Signal Safety Assurance Check List | SCP-1209_3-Form | 00 | Signal Safety Assurance Check List |
April 22, 2025 | Signal Plan Transmittal Noice | SCP-1209_4-Form | 00 | Signal Plan Transmittal Noice |
April 22, 2025 | Grade Crossing Warning System Installation & Commissioning Form | SCP-1210-Form | 00 | Grade Crossing Warning System Safety Assurance Installation & Commissioning Process Check List |
April 22, 2025 | Grade Crossing Warning System Testing Certification Form | SCP-1210_1-Form | 00 | Grade Crossing Warning System Testing Certification Form |
April 22, 2025 | Grade Crossing Warning System Safety Assurance Checklist | SCP-1210_3-Form | 01 | Grade Crossing Warning System Safety Assurance Checklist |
April 22, 2025 | Grade Crossing Warning System Transmittal Notice | SCP-1210_4-Form | 00 | Grade Crossing Warning System Transmittal Notice |
April 22, 2025 | Road Crossing Train Movement Data | SCP-1210_5-Form | 00 | Road Crossing Train Movement Data |
April 22, 2025 | Road Crossing Inspection Data | SCP-1210_6-Form | 00 | Road Crossing Inspection Data |
April 22, 2025 | Grade Crossing Vehicular Traffic Data | SCP-1210_7-Form | 00 | Grade Crossing Vehicular Traffic Data |
April 22, 2025 | Grade Crossing Warning System - Light Unit Data | SCP-1210_9-Form | 00 | Grade Crossing Warning System - Light Unit Data |
April 22, 2025 | Inspection Audit Form for Grade Crossing Warning Systems | SCP-1250_1-Form | 00 | Inspection Audit Form for Grade Crossing Warning Systems |
April 22, 2025 | Inspection Audit Form for Wayside Signal Systems | SCP-1250_2-Form | 00 | Inspection Audit Form for Wayside Signal Systems |
April 22, 2025 | Inspection Audit Form for Wayside Inspection Systems | SCP-1250_3-Form | 00 | Inspection Audit Form for Wayside Inspection Systems |
April 22, 2025 | Inspection Audit Form for New Installations | SCP-1250_4-Form | 00 | Inspection Audit Form for New Installations |
April 22, 2025 | Power Clearance Form | SCP-1506_A-Form | 00 | Power Clearance Form |
April 22, 2025 | Order to Operate | SCP-1506_B-Form | 00 | Order to Operate |
April 15, 2025 | Metrolinx System Review Panel (SRP) Terms of Reference (ToR) | MX-SEA-TOR-001 | 01 | Terms of Reference for all MX System Review Panels (SRP) and System Safety Review Panels (SSRP). |
April 15, 2025 | Front End Design Standard | DS-00 | 02 | Architectural priorities, objectives, and design direction for station and facility asset design. |
March 2025
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
March 14, 2025 | Glycol Solution Snow Melting System Specification | 23 21 18 | 05 | Class 3 Hydronic snow melting system design, supply and installation specification. |
March 6, 2025 | Refrigerant Updates | DRM R5 Bulletin 002 | 00 | DRM-HVAC Refrigerant Requirements for Rooftop Air Conditioning Unit & Custom Made Air Handing Unit. |
February 2025
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
February 21, 2025 | Asset Information Handover Acceptance Certificate | MX-ALM-FRM-001 | 03 | Confirmation from Metrolinx Asset Owner(s) that Contractor provided all required Asset Information. |
February 18, 2025 | Standards Deviation Procedure | MX-EST-PRC-002 | 02 | Procedure to deviate from mandatory Metrolinx Standards. |
January 2025
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
January 31, 2025 | Track Workers Radio Equipment and Communicaon Standard | MX-STC-STD-001 | 00 | Standard to regulate and enforce safe radio communications for track works. |
January 7, 2025 | Electrification and Plant Asset Information and Data Dictionary | MX-ALM-DIC-007 | 00 | A tool to capture asset data, as part of project handover, specific to electrification team. |
January 2, 2025 | Shared Stations Design Guideline | DGL-14 | 00 | Provides the essential guidance for successful design and development of a Shared Station. |
December 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
December 19, 2024 | Asset Information Handover Acceptance Certificate | MX-ALM-FRM-001 | 03 | A template to plan for and capture a list of asset documents being handed over for Capital Projects |
December 19, 2024 | Asset Document Control List Template (ADCL) | MX-ALM-TMP-003 | 10 | Confirmation from Metrolinx Asset Owner(s) that Contractor provided all required Asset Information. |
December 19, 2024 | Rail Facilities Asset Information and Data Dictionary | MX-ALM-DIC-006 | 01 | A tool to capture asset information, as part of project handover, specific to Rail Facilities. |
December 19, 2024 | Bus Facilities Asset Information and Data Dictionary | MX-ALM-DIC-005 | 01 | A tool to capture asset information, as part of project handover, specific to Bus Facilities. |
December 19, 2024 | Station Facilities Asset Information and Data Dictionary | MX-ALM-DIC-004 | 12 | A tool to capture asset information, as part of project handover, specific to Station facilities. |
December 19, 2024 | Track Asset Information and Data Dictionary | MX-ALM-DIC-003 | 03 | A tool to capture asset information, as part of project handover, specific to Track team. |
December 19, 2024 | Signals Asset Information and Data Dictionary | MX-ALM-DIC-002 | 02 | A tool to capture asset information, as part of project handover, specific to Signals team. |
December 19, 2024 | Civil Asset Information and Data Dictionary | MX-ALM-DIC-001 | 02 | A tool to capture asset information, as part of project handover, specific to Civil team. |
December 19, 2024 | RCA (Root Cause Analysis) Process | MX-ALM-STD-005 | 02 | A process to investigate problems, finding root causes, corrective and preventative solutions |
December 19, 2024 | FMECA (Failure Modes, Effects, and Criticality Analysis) | MX-ALM-STD-003 | 02 | A procedure to analyze potential or actual failure, its criticality and how to eliminate them |
December 19, 2024 | FRACAS (Failure Reporting, Analysis, & Corrective Action System) | MX-ALM-STD-002 | 02 | A system to report failures, perform analysis and identify and implement corrective actions. |
December 19, 2024 | Asset Information Standard Errata | ERR-282 | 00 | Errata for Metrolinx Asset Information Standard |
December 19, 2024 | Asset Information Standard | MX-ALM-STD-001 | 02 | Defines standards for consistent, accurate Metrolinx AIS to ensure reliable decision-making. |
December 12, 2024 | Preventative Measures for Voids Near Bridge Abutments | ED-24-002 | 00 | Preventative measures to avoid formation of voids new bridge abutments. |
December 12, 2024 | Defective Material | ED-24-001 | 00 | No Long-Forged Compromise Rails (manufactured Jul 2013 to Sept 2015) are to be installed or welded. |
December 11, 2024 | Wayside LED Signal Module | 34 42 02 | 01 | Defines the technical requirements for Wayside Light Emitting Diode (LED) Signal Modules. |
December 11, 2024 | Hot Air Switch Clearing Device | 34 42 05 | 01 | Defines the requirements for the hot air Switch Clearing Device (SCD) at track switches. |
November 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
November 27, 2024 | Radio Equipment Installation Standard for Coverage Enhancements | MX-STC-STD-005 | 00 | Requirements for radio equipment installation for coverage enhancement inside buildings and tunnels. |
November 15, 2024 | Ground Disturbance Permit | MX-TRK-FRM-001 | 01 | A permit required prior to any ground disturbance works within Metrolinx ROW. |
November 15, 2024 | Ground Disturbance Works FAQ | UNASSIGNED-014 | 01 | Additional questions included in the FAQ as well as guidelines added to Table 1 on renewal/extension of permits. |
November 12, 2024 | Deviation Request Form | MX-EST-FRM-005 | 03 | Form to request a deviation from a Metrolinx Standard. |
November 12, 2024 | Notice of Deviation Form | MX-EST-FRM-006 | 05 | Form to provide approval/rejection to a deviation request. |
November 8, 2024 | Sigma Ticket Vending Machine (S-TVM) Standard | MX-PYM-STD-004 | 00 | Provides PRESTO Add Value Machine (AVM) Design/Construction Requirements for GO/UP Projects. |
November 8, 2024 | Add Value Machine (AVM) Standard | MX-PYM-STD-001 | 00 | Provides Station Fare Transaction Processor/SFTP Design/Construction Requirements for GO/UP Projects. |
November 8, 2024 | Station Fare Transaction Processor (SFTP) Standard | MX-PYM-STD-002 | 00 | Provides PRESTO Station Point of Sale (SPOS) Design/Construction Requirements for GO/UP Projects. |
November 8, 2024 | Station Point of Sale (SPOS) Standard | MX-PYM-STD-003 | 00 | Provides Sigma Ticket Vending Machine (S-TVM) Design/Construction Requirements for GO/UP Projects. |
October 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
October 4, 2024 | Metrolinx Welding Manual | RC-0506-02TRK-01 | 01 | Requirements for cutting, welding, grinding, and repairing rail and special trackwork components. |
October 4, 2024 | Timber Tie Specification | 34 11 33.2 | 00 | Requirements for the production of timber ties. |
September 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
September 25, 2024 | Metrolinx Rail Corridor Asset Handover Protocol | RC-0503-01 | 03 | Outlines the processes for conducting in-service/handover inspections on heavy rail systems |
September 25, 2024 | Metrolinx Rail Corridor Asset Handover Protocol Rev 03 Errata | RC-0503-01 Rev03 Errata | 03 | Information regarding Errata update made to the document. |
September 23, 2024 | Bus Facilities Asset Information and Data Dictionary | MX-ALM-STD-008 | 00 | A tool to capture asset information, as part of project handover, specific to Bus Facilities team. |
September 12, 2024 | In-Service Notification | RC-0503-01 E-1 | 03 | Use for notification when putting an asset in-service on heavy rail systems. |
September 12, 2024 | In-Service Certificate | RC-0503-01 E-2 | 03 | Use for conducting in-service inspections on heavy rail systems. |
September 12, 2024 | Handover Certificate | RC-0503-01 E-3 | 03 | Use for conducting handover inspections on heavy rail systems. |
September 3, 2024 | Universal Design Standard | DS-02 | 02 | Set of accessibility requirements to design customer-facing transit infrastructure across all modes |
August 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
August 21, 2024 | Structural Requirements for LRT and Subway Projects | Bulletin 03 | 00 | Structural requirements applicable to the design and construction of LRT and Subway Projects. |
July 2024
June 2024
DATE | TITLE | DOCUMENT NO. | REV. NO. | DESCRIPTION |
|---|---|---|---|---|
June 6, 2024 | Signals Sighting Standard | RC-0506-03SIG-04 | 02 | Defines location of bridge/cantilever, high/low mast signals. Ensures appropriate sighting distance. |
June 6, 2024 | Aluminum House Specification | 34 42 01 | 01 | Enclosure requirements for various types of wayside signal systems used for all weather conditions. |