US Class I Rail Process Wiki Dispatching & Train Movement › Slow Order, Heat and Cold Order Management
🗺 BPMN Process Flow
RR-02-07-01 BPMN Diagram

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📋 Process Attributes
Process IDRR-02-07-01
Domain FamilyNETWORK & PLANNING
L1 DomainDispatching & Train Movement
L2 Process GroupSlow Order, Heat and Cold Order Management
TriggerDetection of a track defect or weather condition that requires the implementation of a slow order, heat order, or cold order.
OutcomeSafe and timely movement of trains through affected areas with minimal delays.
SystemsNetControl CADx Umler EHMS
Regulatory Hooks49 CFR Part 232 GCOR
📋 L4 Process Steps
StepNameRoleSystem InputOutputKPIPain Point / Risk Decision?Exception?
1.1 Identify Defect or Condition Track Inspector Wayside defect detector network Defect report from track inspection Defect log entry in NetControl Time to identify defect under 1 hour False positives leading to unnecessary orders N Y
1.2 Assess Order Type Train Dispatcher NetControl Defect log entry Order type determination (slow, heat, cold) Correct order type determination rate above 95% Misclassification of orders leading to safety risks Y N
1.3 Notify Affected Trains Train Dispatcher NetControl / CADx Order type determination Notification message to affected trains Notification accuracy rate above 98% Missed notifications causing delays N Y
1.4 Update Train Schedule Train Dispatcher NetControl / CADx Notification message Updated train schedule with order details Schedule update time under 30 minutes Delays in updating schedules leading to further delays N Y
1.5 Monitor Train Compliance Control Operator NetControl / CADx Updated train schedule Compliance report Train compliance rate above 90% Non-compliance leading to safety issues Y N
1.6 Review and Adjust Orders Train Dispatcher NetControl / CADx Compliance report Adjusted order if necessary Order adjustment rate under 5% Overly restrictive orders causing unnecessary delays Y N
1.7 Clear Orders When Safe Train Dispatcher NetControl / CADx Safety confirmation from affected area Order clearance message Order clearance time under 2 hours Delayed order clearances causing unnecessary delays Y N
1.8 Update Maintenance Records Track Inspector Umler / EHMS Order clearance message Updated maintenance record Maintenance record update time under 4 hours Delayed updates leading to missed maintenance opportunities N Y
1.9 Review and Report Train Dispatcher NetControl / CADx Order clearance message Process review report Review report accuracy rate above 85% Inaccurate reports leading to incorrect decision-making Y N
1.10 Notify Stakeholders Train Dispatcher NetControl / CADx Process review report Stakeholder notification Stakeholder notification time under 24 hours Delayed notifications causing confusion N Y
1.11 Update Training Materials Service Design / Network Planning Analyst NetControl (service design use) Process review report Updated training materials Training material update rate above 80% Outdated training materials leading to operational inefficiencies Y N
1.12 Conduct Post-Process Review Train Dispatcher NetControl / CADx Stakeholder notification Post-process review report Post-review accuracy rate above 90% Inaccurate reviews leading to incorrect future decisions Y N
📊 KPIs & Risk Register

KPIs

Time to identify defect under 1 hour Correct order type determination rate above 95% Notification accuracy rate above 98% Schedule update time under 30 minutes Train compliance rate above 90% Order adjustment rate under 5% Order clearance time under 2 hours Maintenance record update time under 4 hours Review report accuracy rate above 85% Stakeholder notification time under 24 hours Training material update rate above 80% Post-review accuracy rate above 90%

Key Risks

Air brake test defect released to the road Misclassification of orders leading to safety risks Non-compliance leading to safety issues Overly restrictive orders causing unnecessary delays Delayed order clearances causing unnecessary delays

Swim Lanes

Train Dispatcher · 1.2, 1.3, 1.4, 1.6, 1.7, 1.9, 1.10, 1.12 Control Operator · 1.5 Track Inspector · 1.1, 1.8 Service Design / Network Planning Analyst · 1.11