RR-11 RR-11-04-01 — Empty Car Distribution and Fleet Allocation
This process manages the distribution and allocation of empty cars across different interline operations within a US Class I freight railroad. It ensures efficient utilization of the fleet by optimizing car availability and minimizing dwell times at terminals.
🗺 BPMN Process Flow
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📋 Process Attributes
| Process ID | RR-11-04-01 |
|---|---|
| Domain Family | NETWORK & PLANNING |
| L1 Domain | Interline, Equipment & Car Management |
| L2 Process Group | Empty Car Distribution and Fleet Allocation |
| Trigger | The process is initiated when an empty car demand report is generated from the Interline Settlement System (ISS) or Switching Settlement Data Exchange (SSDX). |
| Outcome | Successful completion results in the optimal distribution of empty cars to meet operational needs, ensuring efficient use of the fleet and minimizing delays at terminals. |
| Systems | ISS / SSDX Umler NetControl I-ETMS EHMS TRAIN II |
| Regulatory Hooks | 49 CFR Part 232 GCOR 6.28 |
📋 L4 Process Steps
| Step | Name | Role | System | Input | Output | KPI | Pain 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 30 minutes | Outdated or incomplete Umler data | N | N |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