Costs

2010 Cost Assumptions

The various costs input into the model are summarized in below. All costs are for year 2010; model users can use a CPI adjustment for translating costs from other years to 2010 values for consistency.

Cost (Year 2010)	File	Current Settings
Value-of-time for assignment	Assignment and skimming procedure file + General Procedure Settings + PrT Settings + Impedance + Impedance function by demand segment	25 dollars per hour 144 seconds per dollar = 3600 / 25
Value of Time for Tour/Trip Making	Orramp.properties file for reference in the OR-RAMP UECs	Mean Values of Time: 0-30k = $6.01/hr 30-60k = $8.81/hr 60-100k = $10.44/hr 100k = $12.86/hr
Transit fare matrix	VISUM Python script SOABM.py createTapFareMatrix()	100, 200 cents (GP, RV)
Parking costs	VISUM master version file SOABM.ver MAZ attributes HPARKCOST (Hourly), DPARKCOST (Daily), MPARKCOST (Monthly)	Max Hourly = $1.00 (69 MAZs have an hourly rate) Max Daily = $5.00 (24 MAZs have a daily rate) Max Monthly = $40.00 (32 MAZs have a monthly rate)
Link toll	VISUM master version file SOABM.ver link attributes Toll_PrTSys(Dseg)	0 dollars
Auto operating cost	Orramp.properties file for reference in the OR-RAMP UECs	aoc.fuel =13.5 aoc.maintenance =6.3

Future Year Cost Assumptions

For future year scenarios ODOT has attempted to build consistency around future cost assumptions across the several transportation model tools that ODOT operates. For several reasons it is critical that all cost information be brought to a common year, one of those reasons is that costs amounts assumptions can come from many different sources. As an example, the cost comparison work below comes from a model who's costs are in 2005 dollars, a factor of 1.15 different than 2010 dollars according to CPI inflation adjustment. For future years, tolls, taxes, or fuel costs might be provided in those future year amount, say 2030 dollars for example. 2010 to 2030 would be a much larger inflation adjustment factor than 1.15. Therefore, it is critical to the model operation that all cost information be brought to a common year. The same way all cost information must be brought to a common unit of currency (in the case of ODOT model, currency is in US dollars).

For indexing prices to the correct year, all of ODOT-TPAU's work should use the Bureau of Labor Statistic's (BLS) Consumer Price Index (CPI) Inflation Calculator. For the ABM, this means adjusting all prices to 2010. https://www.bls.gov/data/inflation_calculator.htm

Cost Assumptions from Other ODOT Modeling Tools

ODOT has several transportation modeling tools, however the one with the most price / cost testing is GreenSTEP / RSPM, which has recently been re-established as VisionEval (VE). The following is a table of some of the cost information contained in the original GreenSTEP assumptions for both current years and for future years. It's important to note that all of GreenSTEP cost assumptions are in 2005 dollars, so a factor of 1.15 is needed to make them comparable to the ABM.

VisionEval Cost Related Assumptions

Cost	Description	Model Year 2005 (2005 Dollars)	Model Year 2050 (2005 Dollars)
Fuel (Auto Operating Costs - AOC)	Fuel / Energy (Electricity); for 2005, $1.91 per gallon (excluding tax) at 21.4 mpg on average.	$0.09	$0.04 - $0.06
Taxes (AOC)	Road User Fees - Gas Tax, Registration Fees, VMT Tax, congestion fee (only PDX in STS-Vision); for 2005, fuel taxes are 0.424 at 21.4 mpg (and portion of EVs use OreGo gas tax equivalent). Registration fees are below $0.005/mile.	$0.02	$0.01 - $0.03
Other (AOC)	Vehicle O&M Costs and future per mile costs, like PAYD insurance. PAYD is upto $0.05/mile with full coverage. O&M is $0.048/mile.	$0.04	$0.06 - $0.10
Potential Carbon Tax	Some additional per mile costs related to carbon taxes or pricing are likely by 2050.	NA	~$0.03