Commuting mode analysis

San Diego CA US

For the week of 27 Oct 2025 through 02 Nov 2025 489 commuters reporting.

Efficiency: 89%  Miles saved: 6,992,858  CO2 saved: 2,823mt

n = 489

Commuting Mode 		Efficiency
Benefit 		Frequency Average
Trip
Miles		 Total
Commuting
Miles 		Miles
Saved 		Carbon
Footprint 		CO2
Saved
Drive by myself 0  43.6% 127 430834 0  171mt 0 
Carpool with one other person 50% 6.4% 33 16066 8033 11014lb 11014lb
Carpool with two other people 67% 1.5% 121 14050 9367 4453lb 8906lb
Carpool with three other people 75% 1.4% 11948 1338188 1003641 135mt 406mt
Carpool with four other people 80% 1.2% 2625 236201 188961 42006lb 76mt
Carpool with five other people 85% 0.4% 24 754 641 100lb 567lb
Carpool with six other people or more 90% 0.5% 77 2932 2639 259lb 2333lb
Small vanpool 86% 1.9% 72 10795 9253 1412lb 8474lb
Large vanpool 90% 0.8% 43 2837 2553 246lb 2210lb
Walk or bicycle 100% 0.3% 3 91 91 0  268lb
Take motorcycle or scooter 90% 0.0  495 495 446 32lb 288lb
Work from home / telecommute 100% 0.1% 46 501 501 0  325lb
Take mass transportation 100% 41.7% 1778 5766733 5766733 0  2326mt
Week total 89% 100.0% 1006 7820478 6992858 333mt 2823mt
Annualized total       406664828 363628628 17318mt 146810mt