RR-11 RR-11-03-01 — Car Hire and Per Diem Accounting
This process manages the car hire and per diem accounting for interline operations between US Class I freight railroads, ensuring accurate billing and compliance with industry rules and regulations.
🗺 BPMN Process Flow
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📋 Process Attributes
| Process ID | RR-11-03-01 |
|---|---|
| Domain Family | NETWORK & PLANNING |
| L1 Domain | Interline, Equipment & Car Management |
| L2 Process Group | Car Hire and Per Diem Accounting |
| Trigger | Initiation of a train movement involving interline cars or when a new car is assigned to an interline operation. |
| Outcome | Successful completion produces accurate car hire charges, per diem payments, and updated accounting records for interline operations. |
| Systems | Umler CHARM TRAIN II EHMS Interline Settlement System (ISS) |
| Regulatory Hooks | 49 CFR Part 217 AAR Interchange Rules 90 and 93 AAR Railway Accounting Rule 260 (FMR 260) GCOR 6.28 |
📋 L4 Process Steps
| Step | Name | Role | System | Input | Output | KPI | Pain Point / Risk | Decision? | Exception? |
|---|---|---|---|---|---|---|---|---|---|
| 1.1 | Car Hire Notification | Car Hire / Interline Settlement Analyst | Umler | Train movement details, car hire agreements | Car hire notification to relevant parties | Notification accuracy rate above 95% | Delayed notifications causing operational delays | N | Y |
| 1.2 | Car Hire Data Exchange | Car Hire / Interline Settlement Analyst | Interline Settlement System (ISS) / Car Hire Data Exchange (CHDX) | Car hire notification, train movement data | Updated car hire records in ISS/CHDX | Data exchange success rate above 98% | Data discrepancies leading to billing errors | N | Y |
| 1.3 | Per Diem Calculation | Car Hire / Interline Settlement Analyst | TRAIN II | Train movement data, per diem rates | Calculated per diem charges | Per diem calculation accuracy rate above 90% | Incorrect per diem calculations affecting financial reporting | Y | N |
| 1.4 | Equipment Health Check | Car Inspector (Carman) | EHMS | Train movement details, equipment status | Updated equipment health records in EHMS | Health check completion rate above 95% | Neglected equipment issues leading to safety risks | Y | Y |
| 1.5 | Car Hire Agreement Review | Chairman, President and CEO | Umler | Car hire notification, agreement terms | Approved car hire agreement | Agreement review time under 24 hours | Delayed agreements impacting operational readiness | Y | N |
| 1.6 | Interline Settlement Data Exchange | Car Hire / Interline Settlement Analyst | Switching Settlement Data Exchange (SSDX) | Calculated per diem charges, car hire data | Updated settlement records in SSDX | Settlement exchange success rate above 98% | Data synchronization issues causing financial discrepancies | N | Y |
| 1.7 | Car Hire Accounting Rate Update | Equipment Registration / Umler Data Analyst | CHARM | New car hire rates, agreement terms | Updated CHARM database with new rates | Rate update accuracy rate above 95% | Outdated rates affecting financial reporting | Y | N |
| 1.8 | Train Movement Monitoring | Train Dispatcher | NetControl | Train movement data, schedule updates | Monitored train movements and status reports | Movement monitoring accuracy rate above 90% | Missed monitoring causing operational disruptions | Y | N |
| 1.9 | Car Hire Data Validation | Car Hire / Interline Settlement Analyst | Interline Settlement System (ISS) | Car hire data, validation rules | Validated car hire records in ISS | Data validation success rate above 98% | Invalid data causing billing issues | Y | N |
| 1.10 | Per Diem Payment Processing | Car Hire / Interline Settlement Analyst | Interline Settlement System (ISS) | Calculated per diem charges, payment instructions | Processed per diem payments to relevant parties | Payment processing success rate above 95% | Delayed payments impacting financial relationships | N | Y |
| 1.11 | Final Car Hire Record Update | Car Hire / Interline Settlement Analyst | Umler | Processed per diem payments, final car hire data | Updated Umler database with final car hire records | Final record update accuracy rate above 90% | Incomplete records affecting future operations | Y | N |
| 1.12 | Audit and Reporting | Car Hire / Interline Settlement Analyst | Interline Settlement System (ISS) | Final car hire records, audit rules | Generated audit reports for review | Audit report generation time under 24 hours | Delayed audits impacting compliance | Y | N |
📊 KPIs & Risk Register
KPIs
Notification accuracy rate above 95% Data exchange success rate above 98% Per diem calculation accuracy rate above 90% Health check completion rate above 95% Agreement review time under 24 hours Settlement exchange success rate above 98% Rate update accuracy rate above 95% Movement monitoring accuracy rate above 90% Data validation success rate above 98% Payment processing success rate above 95% Final record update accuracy rate above 90% Audit report generation time under 24 hours
Key Risks
Delayed notifications causing operational delays Data discrepancies leading to billing errors Neglected equipment issues leading to safety risks Invalid data causing billing issues Delayed payments impacting financial relationships Incomplete records affecting future operations Delayed audits impacting compliance
Swim Lanes
Car Hire / Interline Settlement Analyst · 1.1, 1.2, 1.3, 1.6, 1.7, 1.9, 1.10, 1.11, 1.12 Car Inspector (Carman) · 1.4 Chairman, President and CEO · 1.5 Train Dispatcher · 1.8