Earlier quoted context omitted.
That's not really a coordination problem, that's just a toll road that's not yet moved to all-electronic tolling. Of course, toll roads in the US do provide a coordination problem, and that's in the existence of noncompatible electronic toll systems. You have essentially three islands of interoperability in the US: the Northeast and Midwest are all using E-ZPass, the Southeast has some interoperability, and Kansas, O…
Yes, bit of a mixture. Sorry, I should've mentioned that (from memory) it was because they didn't have banknote readers or credit card payment and the US is still using dollar bills. So unless you had a bucket of very low denomination coins, you had to pay a physical person to then convert to coins and reach around to deposit them. I once used a toll bridge in the Eastern US that had no indication of payment options…
Like the penny silliness--or really the fact that the US basically collectively decided that the currency denominations in widespread use in 1950 would be fine forever--it's essentially a self-correcting situation in that a lot of people don't use cash any longer.