Commuting mode analysis

San Diego CA US

For the week of 10 Aug 2026 through 16 Aug 2026 360 commuters reporting.

Efficiency: 89%  Miles saved: 5,541,436  CO2 saved: 2,235mt

n = 360

Commuting Mode 		Efficiency
Benefit 		Frequency Average
Trip
Miles		 Total
Commuting
Miles 		Miles
Saved 		Carbon
Footprint 		CO2
Saved
Drive by myself 0  44.0% 126 306245 0  121mt 0 
Carpool with one other person 50% 6.2% 35 11969 5984 9233lb 9233lb
Carpool with two other people 67% 2.0% 122 13425 8950 4269lb 8539lb
Carpool with three other people 75% 1.1% 21919 1337067 1002800 135mt 406mt
Carpool with four other people 80% 1.7% 2459 236041 188833 41978lb 76mt
Carpool with five other people 85% 0.3% 16 264 224 35lb 200lb
Carpool with six other people or more 90% 0.7% 78 2866 2579 253lb 2280lb
Small vanpool 86% 1.9% 45 4651 3986 628lb 3771lb
Large vanpool 90% 0.8% 42 1926 1733 165lb 1481lb
Walk or bicycle 100% 0.5% 3 91 91 0  268lb
Take motorcycle or scooter 90% 0.0  495 495 446 32lb 288lb
Work from home / telecommute 100% 0.2% 46 501 501 0  325lb
Take mass transportation 100% 40.6% 1930 4325307 4325307 0  1741mt
Week total 89% 100.0% 1132 6240848 5541436 282mt 2235mt
Annualized total       324524095 288154661 14653mt 116220mt