US Class I Rail Process Wiki Interline, Equipment & Car Management › Empty Car Distribution and Fleet Allocation
🗺 BPMN Process Flow
RR-11-04-01 BPMN Diagram

Click diagram to zoom & pan • Scroll to zoom • Drag to pan • Download SVG

📋 Process Attributes
Process IDRR-11-04-01
Domain FamilyNETWORK & PLANNING
L1 DomainInterline, Equipment & Car Management
L2 Process GroupEmpty Car Distribution and Fleet Allocation
TriggerThe process is initiated when an empty car demand report is generated from the Interline Settlement System (ISS) or Switching Settlement Data Exchange (SSDX).
OutcomeSuccessful completion results in the optimal distribution of empty cars to meet operational needs, ensuring efficient use of the fleet and minimizing delays at terminals.
SystemsISS / SSDX Umler NetControl I-ETMS EHMS TRAIN II
Regulatory Hooks49 CFR Part 232 GCOR 6.28
📋 L4 Process Steps
StepNameRoleSystem InputOutputKPIPain Point / Risk Decision?Exception?
1.1 Receive Demand Report Car Hire / Interline Settlement Analyst ISS / SSDX Empty car demand report Demand analysis document Time to analyze demand < 1 hour Inaccurate demand forecasting N N
1.2 Identify Available Cars Equipment Registration / Umler Data Analyst Umler Demand analysis document Available car list Time to identify available cars < 30 minutes Outdated or incomplete Umler data N N
1.3 Allocate Cars to Terminals Car Hire / Interline Settlement Analyst ISS / SSDX Available car list Allocation plan Number of cars allocated per hour > 10 Over-allocation leading to terminal congestion Y N
1.4 Update Umler with Allocations Equipment Registration / Umler Data Analyst Umler Allocation plan Updated Umler database Time to update Umler < 1 hour System downtime affecting allocation updates N Y
1.5 Generate Dispatch Orders Train Dispatcher NetControl Allocation plan Dispatch orders Number of dispatch orders generated per hour > 20 Incorrect dispatch order leading to delays Y N
1.6 Monitor Terminal Operations Control Operator I-ETMS Dispatch orders Operational status report Terminal dwell under 24 hours Extended terminal dwell times N Y
1.7 Adjust Allocations Based on Feedback Car Hire / Interline Settlement Analyst ISS / SSDX Operational status report Adjusted allocation plan Number of adjustments per day < 5 Inflexible allocation plans Y N
1.8 Update EHMS with Car Status Car Inspector (Carman) EHMS Operational status report Updated EHMS database Time to update EHMS < 30 minutes System integration issues with EHMS N Y
1.9 Review and Optimize Fleet Utilization VP Network Planning & Operations TRAIN II Updated Umler database, EHMS database Fleet utilization report Car utilization rate > 80% Underutilized fleet resources Y N
1.10 Prepare for Next Allocation Cycle Car Hire / Interline Settlement Analyst ISS / SSDX Fleet utilization report Preparedness document Time to prepare for next cycle < 1 hour Lack of preparedness documents N Y
📊 KPIs & Risk Register

KPIs

Time to analyze demand < 1 hour Time to identify available cars < 30 minutes Number of cars allocated per hour > 10 Terminal dwell under 24 hours Car utilization rate > 80% Time to update Umler < 1 hour Number of adjustments per day < 5 Time to update EHMS < 30 minutes Time to prepare for next cycle < 1 hour

Key Risks

Inaccurate demand forecasting leading to over or under-allocation System downtime affecting allocation updates and dispatch orders Incorrect dispatch order leading to delays and terminal congestion Extended terminal dwell times due to operational inefficiencies Underutilized fleet resources resulting in higher costs

Swim Lanes

Car Hire / Interline Settlement Analyst · 1.1, 1.3, 1.5, 1.7, 1.9 Equipment Registration / Umler Data Analyst · 1.2, 1.4, 1.8 Train Dispatcher · 1.5 Control Operator · 1.6 Car Inspector (Carman) · 1.8 VP Network Planning & Operations · 1.9