Provision of Alternative Services by Transit Agencies: The Intersection of Regulation and Program (2023) / Chapter Skim
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Chapter 6 - ASET Data Tool
Chapter 6 - ASET Data Tool
Pages 55-66
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You will also have the option to enter a desired annual cost savings target based on the results of your alternative service design parameters. The planning calculator tab will appear as shown in Figure 6-2 when opened for the first time.
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6-2 Provision of Alternative Services by Transit Agencies: The Intersection of Regulation and Program Figure 6-1. ASET welcome tab.
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or total variable costs only. The cost savings calculator tab will appear as shown in Figure 6-3 when opened for the first time.
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Figure 6-3. ASET cost savings calculator tab.
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: • Total operational cost: enter the total dollar amount for the cumulative operational costs of your paratransit service over the last fiscal year or the last twelve months of service. You can use either the total blended cost for paratransit service (variable plus fixed costs)
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This cell is prepopulated using a 95% threshold. Trip Mileage Subsidy Limit Indicate if the alternative service will have a mileage limit for subsidized trips, and if so, what the mileage limit is, the charge per mile above the limit, and the estimated average trip miles for alternative service customers (Figure 6-6)
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ASET Data Tool 6-7 Figure 6-6. Sample trip mileage subsidy limit. Figure 6-7. Sample user-side subsidy design.
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produces the following outputs for estimating the number of trips on each service and the total cumulative service cost: • Paratransit trips: estimated annual paratransit trips after the new alternative service is implemented • Alternative service trips: estimated annual alternative service trips based on the service design parameters and current paratransit demand • Total trips: estimated paratransit trips plus alternative service trips • Total cost: estimated paratransit trips multiplied by paratransit per-trip cost plus estimated alternative service trips multiplied by alternative service per-trip cost The planning calculator also automatically calculates the alternative service trips and cus tomer cost difference targets for the agency to either break even or hit a cost savings target with the future alternative service. Figure 6-8. Sample weighted-average variable per-trip costs and customer perspective outputs.
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The results for all three fields in this section are automatically calculated: • Total cost difference: set at $0 • Alternative service trips: target of alternative service trips for the agency to break even • Alternative service per trip customer cost difference: target of customer cost difference for the agency to break even Cost Savings Target The cost savings target finds the number of trips and level of customer cost difference needed for the total cost output to be less than the total operational cost of current paratransit service according to a set target. • Target cost savings (optional)
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. • Total alternative service trips: enter the total trips for your alternative service over the last annual fiscal year period or the last twelve months of service (the same period you used for paratransit inputs data)
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: • Previous annual paratransit trips: enter the number of annual paratransit trips in each of the five shaded cells below the year labels • Growth rate: calculated percentage of growth between year 1 and year 5 in the 5-year period before alternative service implementation • Growth rate estimated trips: estimated number of paratransit trips that would have occurred without the implementation of the alternative service based on the growth rate Weighted-Average Variable Per-Trip Cost The cost savings calculator tab calculates the paratransit and alternative service per-trip costs based on the data inputs in the previous sections (Figure 6-12)
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. • Total trips: total paratransit trips plus total alternative service trips • Induced trips: total trips minus growth rate estimated trips • Mode shift: total alternative service trips minus induced trips • Mode-shift cost savings: mode shift trips multiplied by difference in per-trip costs • Additional subsidy: induced trips multiplied by alternative service per-trip cost • Total cost: total paratransit trips multiplied by paratransit per-trip cost plus estimated total alternative service trips multiplied by alternative service per-trip cost • Baseline cost: growth rate estimated trips multiplied by paratransit per-trip cost • Net cost change: additional subsidy minus mode-shift cost savings; equal to baseline cost minus total cost • Net cost change %: net cost change divided by total cost Checklist □ Determine the parameters of your prospective alternative service, including whether it will use a provider- or user-side subsidy model, any imposed trip mileage limits, and the subsidy levels.
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