A worked example
Two travelers making ten trips
- Start with
- Shuttle $38/person+$5 access/trip · car 120 mi/30 mpg/$4 per gal/$12 tolls
- Check the result
- Shuttle $810 · car $280 · car costs $530 less
Parking and other car costs are zero. Fuel costs $16 per trip; this example uses the English page’s US units.