Transportation Efficiency Index Calculator

Enter transportation system data

System or route name

Name the fleet, route, lane, or service being studied.

Distance per trip (km)

Use route distance for one trip, not total cycle distance.

Trips completed

Enter the number of loaded or evaluated trips.

Actual average load (tons)

Average transported mass or payload equivalent per trip.

Rated capacity (tons)

Use maximum practical carrying capacity under normal service.

Actual average speed (km/h)

Use achieved average speed over the measured route.

Target speed (km/h)

Benchmark or design speed used for comparison.

On-time performance (%)

Enter percentage of trips delivered on time.

Damage or loss rate (%)

Include damaged, lost, or unusable transported output.

Operational hours

Measured productive service hours during the study period.

Planned hours

Scheduled service hours available for transport operation.

Total energy used (MJ)

Use total traction fuel or electrical energy for all trips.

Total operating cost

Include driver, maintenance, toll, and operating cost elements.

Total emissions (kg CO2e)

Use greenhouse gas emissions for the same evaluation period.

Benchmark energy intensity

MJ per ton-km target from prior best performance.

Benchmark cost intensity

Cost per ton-km target for comparison.

Benchmark emission intensity

kg CO2e per ton-km benchmark for best practice.

Weighting model

Weights can sum to any positive total because the calculator normalizes them automatically.

Weight: load utilization

Weight: speed attainment

Weight: schedule reliability

Weight: availability

Weight: energy efficiency

Weight: cost efficiency

Weight: emission efficiency

Weight: quality retention

Reset

Example data table

Parameter	Example value
System name	Regional Freight Corridor
Distance per trip	180 km
Actual average load	16 tons
Rated capacity	20 tons
Trips completed	3
Actual average speed	62 km/h
Target speed	70 km/h
On-time performance	94%
Operational hours	10.5 h
Planned hours	11 h
Total energy used	5900 MJ
Total operating cost	1600
Total emissions	420 kg CO2e
Damage or loss rate	1.2%
Benchmark energy intensity	0.75 MJ/ton-km
Benchmark cost intensity	0.22 per ton-km
Benchmark emission intensity	0.05 kg/ton-km
Default weighted result	Transportation Efficiency Index ≈ 97.03

Formula used

Transport work

TW = Distance × Actual Load × Trips

Intensity metrics

Actual Energy Intensity = Energy Used ÷ TW
Actual Cost Intensity = Total Cost ÷ TW
Actual Emission Intensity = Total Emissions ÷ TW

Normalized scores

Load Score = Actual Load ÷ Capacity
Speed Score = Actual Speed ÷ Target Speed
Schedule Score = On-Time Percent ÷ 100
Availability Score = Operational Hours ÷ Planned Hours
Energy Score = Benchmark Energy Intensity ÷ Actual Energy Intensity
Cost Score = Benchmark Cost Intensity ÷ Actual Cost Intensity
Emission Score = Benchmark Emission Intensity ÷ Actual Emission Intensity
Quality Score = 1 - Damage Rate

Transportation Efficiency Index

TEI = [Σ(Weight × Score) ÷ Σ(Weights)] × 100

Each score is capped at 125% to prevent one unusually strong metric from overpowering the full engineering picture. A TEI near 100 indicates overall alignment with benchmark expectations. Values above 100 show performance beyond the benchmark mix, while lower values reveal inefficiency, underuse, or weak service control.

How to use this calculator

Enter the system name so results can be identified in exports.
Provide route distance, average load, rated capacity, and number of trips.
Enter actual speed, target speed, on-time performance, and damage rate.
Input operational hours, planned hours, total energy, cost, and emissions.
Enter benchmark intensity values from internal standards or best historical runs.
Adjust the weighting model if your engineering team values certain outcomes more heavily.
Press Calculate Index to place the result above the form.
Review the factor breakdown and use the export buttons for CSV or PDF output.

Frequently asked questions

1) What does the Transportation Efficiency Index show?

It shows how well a route or fleet converts capacity, time, energy, cost, and service quality into useful transport output against selected benchmarks.

2) What does a score of 100 mean?

A score near 100 means the weighted average performance is matching the benchmark set you entered for energy, cost, emissions, and service targets.

3) Can this be used for passenger systems?

Yes. Replace tons with a consistent passenger-equivalent load basis and keep benchmark intensities in matching units for meaningful comparisons.

4) Why are weights included?

Weights let engineers prioritize what matters most. A city operator may emphasize punctuality, while a freight carrier may emphasize energy and cost.

5) Why are some scores capped?

The cap prevents one unusually favorable metric from masking weak performance elsewhere. It keeps the index balanced and easier to interpret.

6) What benchmark values should I use?

Use internal best-case data, design targets, contractual targets, or reliable peer baselines. The benchmark should reflect realistic, defensible performance goals.

7) Does this replace detailed simulation?

No. It is a screening and monitoring tool. Use it to compare systems quickly, then investigate weak factors with deeper engineering analysis.

8) How should I improve a low score?

Start with the lowest weighted factor scores. Common fixes include better loading, route redesign, reduced idle time, stronger maintenance, and tighter schedule control.