Just for fun — a few numbers from my daily commute…

  • Miles per commute (round trip): 17
  • Trips by car: 15
  • Trips by bicycle: 225
  • Trips by Rollerblade: 1
  • Partial trips by Sonoma Co. Transit due to flat tires: 2
  • Regular bike commuters at my office: 4
  • Average miles per commute for all bike commuters: 5.25
  • Time per car commute (incl. parking and walking to office): 20 min.
  • Time per bike commute (incl. changing into work clothes): 40 min.
  • Additional hours spent commuting by bike: 74
  • Days on which one or more sections of commute were flooded: 3
  • Commutes through floods: 3
  • Gallons of gas per car commute: 0.6
  • Gallons used for car commutes: 9
  • Gallons saved by bicycling: 121
  • Pounds of carbon dioxide saved by bicycling: 384
  • Calories burned due solely to riding (16 mph average speed on flat ground): 112,500
  • Equivalent in whole wheat bagels: 432
  • Flat tires due to goatheads: 3
  • Flat tires due to incorrectly seated tire protectors : 4
  • Bike parts and accessories replaced: 14
  • Approximate cost of replacement parts, accessories and maintenance: $350
  • Cars running a red light while I was crossing an intersection: 6
  • Accidents due to icy bridges: 1
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