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A WestCAT coach with the Carquinez Bridge in the background - Severa; coaches parked together - bus stop sign - paratransit van.

Transit Savings Calculator
Green coloured bar.

Calculate how much you can save by taking public transportation instead of driving.

This calculator will help you compare the price of using public transportation with the price of paying at the pump and then parking your car in town. This calculator has been set with default values based on national averages for April, 2009; however, you may set variables such as the price of gas and the length of the round trip to match the price of gas in your area and the length of your round trip.

WestCAT Savings Calculator

What is your car's gas mileage (MPG)?
Price of gas per Gallon: $ (b)
How many miles on your round trip commute?     (c)
Size of Your Car?     (d)
How much do you pay daily for parking (if any)? $ (e)
Daily round trip commute cost using Public Transportation: $ (f)
Yearly Cost of Commuting by Automobile: $
Yearly Cost of Commuting by WestCAT: $
You saved: $ (g)


a. Use the Federal Fuel Economy Guide to find your vehicle's MPG.

b. You can use the CaliforniaGasPrices.com website to get the current prices.

c. Use Google maps to help you calculate.

d. Based on the following estimates for increased costs of maintenance and tire replacement per mile.

  Small Car
per mile
Medium Car
per mile
Large Car
per mile
per mile
per mile
Maintenance 3.98 cents 4.67 cents 5.07 cents 4.76 cents 5.47 cents
Tires 0.55 cents 0.85 cents 0.77 cents 0.67 cents 0.93 cents

e. Those who receive free parking may instead be entitled to a public transit subsidy up to $115 per month.  Click on It Pays To Ride Public Transportation to find out more.

f. Daily round-trip fare on WestCAT Fixed route buses.

g. If you are able to eliminate a vehicle in your household, you save an additional $5,576 in car ownership cost (full-covereage insurance, license, registration, taxes, depreciation and finance charge).

The ownership, maintenance and tire replacement cost are from the AAA 2008 Your Driving Costs.


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