According to Wikipedia [1], it's allowed in some states, and the deposit amount is: $55k: Texas $50k: Mississippi $40k: Arizona $10k: Massachusetts New Ham

According to Wikipedia [1], it's allowed in some states, and the deposit amount is: $55k: Texas $50k: Mississippi $40k: Arizona $10k: Massachusetts New Hampshire and Virginia seem to allow it without a deposit. In Virginia you have to pay $500/yr. It's common for companies with large vehicle fleets, particularly car rental companies, to self-insure. 1. https://en.wikipedia.org/wiki/Vehicle_insurance_in_the_United_States#Requirements_by_state https://en.wikipedia.org/wiki/Vehicle_insurance_in_the_Unite...