Transportation Freedom Day is the day by which the average Dallas household had earned enough to pay for a year’s worth of transportation costs, which was March 17. If you lived in a mass transit friendly area then that day was Feb 17 and if you biked… well we are not going to talk about that.
https://transportationblog.dallasnews.com/archives/2010/03/how-much-do-you-spend-on-trans.htmloldId.20100324203324526
Biking in Baltimore