Key takeaways
- Loaded and empty miles require one consistent mileage basis.
- Lane density is a network measure, not a universal profitability result.
- A missing next-load record should be visible in capacity analysis.
Loaded and empty miles require one consistent mileage basis.
Internal brief
Research question: What records make lane coverage and empty-mile comparisons reproducible?
Audience and intent: Fleet and dispatch leaders need a network view of movement and unassigned distance. This page is informational and is not a pricing or accounting recommendation.
Method: Official transportation, statistical, and regulatory sources were retrieved 2026-08-12. The method names unit, route scope, period, and missing-load treatment.
Findings
- Join movement ID, origin, destination, loaded state, mileage source, and time window.
- Separate planned repositioning, deadhead, out-of-route, and unknown distance.
- Report lane counts with miles; small samples can distort percentages.
| Measure | Use | Limitation |
|---|---|---|
| Empty-mile share | Network diagnosis | Depends on mileage basis |
| Lane coverage | Density review | Does not equal margin |
| Next-load gap | Planning queue | Needs a defined clock |
Operational interpretation
Reconcile movement data to dispatch records and review outliers by lane. Administrative support can normalize records and prepare a queue; an operations owner decides network changes.
Limitations
GPS, odometer, route-plan, and road-network miles are not interchangeable. State the source and rounding rule.
Related questions
Does lower empty-mile share always mean better performance?
No. It may trade against service, driver constraints, rate, or safety considerations.
Sources
- FHWA, Freight Performance Measurement, retrieved 2026-08-12: https://ops.fhwa.dot.gov/freight/freight_analysis/perform_meas/index.htm
- BTS, Freight Facts and Figures, retrieved 2026-08-12: https://www.bts.gov/freight-facts-and-figures
- FMCSA, Electronic Logging Devices, retrieved 2026-08-12: https://www.fmcsa.dot.gov/hours-service/elds/electronic-logging-devices
- FMCSA, Safety Measurement System, retrieved 2026-08-12: https://www.fmcsa.dot.gov/safety/safety-measurement-system
- FMCSA, Safety Planner, retrieved 2026-08-12: https://www.fmcsa.dot.gov/safety/carrier-safety/safety-planner
- FMCSA, Registration and Updates, retrieved 2026-08-12: https://www.fmcsa.dot.gov/registration/update-your-registration
- FMCSA, Licensing and Insurance, retrieved 2026-08-12: https://li-public.fmcsa.dot.gov/LIVIEW/pkg_carrquery.prc_carrlist
- eCFR, 49 CFR Part 390, retrieved 2026-08-12: https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-390
- eCFR, 49 CFR Part 395, retrieved 2026-08-12: https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-395
- BLS, Occupational Employment and Wage Statistics, retrieved 2026-08-12: https://www.bls.gov/oes/
Sources and citations
- FHWA, Freight Performance Measurement, retrieved 2026-08-12: https://ops.fhwa.dot.gov/freight/freight_analysis/perform_meas/index.htm
- BTS, Freight Facts and Figures, retrieved 2026-08-12: https://www.bts.gov/freight-facts-and-figures
- FMCSA, Electronic Logging Devices, retrieved 2026-08-12: https://www.fmcsa.dot.gov/hours-service/elds/electronic-logging-devices
- FMCSA, Safety Measurement System, retrieved 2026-08-12: https://www.fmcsa.dot.gov/safety/safety-measurement-system
- FMCSA, Safety Planner, retrieved 2026-08-12: https://www.fmcsa.dot.gov/safety/carrier-safety/safety-planner
- FMCSA, Registration and Updates, retrieved 2026-08-12: https://www.fmcsa.dot.gov/registration/update-your-registration
- FMCSA, Licensing and Insurance, retrieved 2026-08-12: https://li-public.fmcsa.dot.gov/LIVIEW/pkg_carrquery.prc_carrlist
- eCFR, 49 CFR Part 390, retrieved 2026-08-12: https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-390
- eCFR, 49 CFR Part 395, retrieved 2026-08-12: https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-395
- BLS, Occupational Employment and Wage Statistics, retrieved 2026-08-12: https://www.bls.gov/oes/
