Description
Divide firstCost and secondCost by their positive trip counts and return firstPerTrip-secondPerTrip.
Generalized travel cost combines supplied cash charges with a monetary valuation of time. Its meaning depends on the time basis, wage or opportunity value, and which costs are included.
Divide firstCost and secondCost by their positive trip counts and return firstPerTrip-secondPerTrip.
When to use this tool
Use Commute Cost Unit Wedge when you need one stated travel-cost comparison or valuation component.
How to use the tool and how it works
- Enter firstCost, firstTrips, secondCost, secondTrips. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read firstPerTrip, secondPerTrip, wedge. Use the output convention below.
Divide firstCost and secondCost by their positive trip counts and return firstPerTrip-secondPerTrip.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| firstCost | First Cost | Required. Finite number. |
| firstTrips | First Trips | Required. Finite number; strictly above 0. |
| secondCost | Second Cost | Required. Finite number. |
| secondTrips | Second Trips | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| firstPerTrip | First Per Trip | Required. Finite number. |
| secondPerTrip | Second Per Trip | Required. Finite number. |
| wedge | Wedge | Required. Finite number. |
{
"input": {
"firstCost": 30,
"firstTrips": 10,
"secondCost": 20,
"secondTrips": 10
},
"output": {
"firstPerTrip": 3,
"secondPerTrip": 2,
"wedge": 1
}
}Limitations and assumptions
- Costs use one currency and compatible trip definitions; costs can be signed and no service quality, affordability, or causal comparison is established.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Keep actual payments separate from modeled time values and review the complete costing assumptions.
References
Similar or alternative tools
- Commute Generalized Cost Time Factor
Weight waiting minutes, add travel minutes, divide by 60 and multiply by hourly wage, then add fare.
- Community Access Travel Cost Income Share
Double oneWayFare and multiply by weeklyVisits for cash cost.