Commuting mode analysis

Washington DC US

For the week of 15 Dec 2025 through 21 Dec 2025 187 commuters reporting.

Efficiency: 46%  Miles saved: 406,057  CO2 saved: 166mt

n = 187

Commuting Mode
Efficiency
Benefit
Frequency Average
Trip
Miles
Total
Commuting
Miles
Miles
Saved
Carbon
Footprint
CO2
Saved
Drive by myself 39.4% 230 181763 83mt
Carpool with one other person 50% 4.8% 5904 572663 286332 115mt 115mt
Carpool with two other people 67% 3.3% 35 2333 1555 689lb 1378lb
Carpool with three other people 75% 2.1% 24 1041 781 231lb 694lb
Carpool with four other people 80% 0.1% 16 33 26 6lb 23lb
Carpool with five other people 85% 0.2% 21 83 70 11lb 62lb
Carpool with six other people or more 90% 0.6% 319 4152 3736 369lb 3323lb
Small vanpool 86% 0.6% 76 985 844 125lb 751lb
Large vanpool 90% 0.3% 112 674 607 52lb 471lb
Walk or bicycle 100% 0.1% 111 332 332 293lb
Take motorcycle or scooter 90% 0.0  24 24 21 3lb 30lb
Work from home / telecommute 100% 0.5% 35 354 354 278lb
Take mass transportation 100% 47.7% 116 111398 111398 47mt
Week total 46% 100.0% 436 875834 406057 199mt 166mt
Annualized total       45543350 21114971 10345mt 8624mt