[Animats]

LA already has "rich people lanes".[1] There are paid toll transponders that let cars drive in the express lane. Price is about $1/mile.

[1] https://www.metroexpresslanes.net/en/home/index.shtml

[alasdair_]

Seattle also has these. Dynamic pricing based on congestion charges between 50c and $7.50. After that price it's HOV only.