Tolls change routing decisions. If you can't gauge a toll until you are at the road because it keeps changing, that's a risk. Dynamic tolling asks people to tak

Tolls change routing decisions. If you can't gauge a toll until you are at the road because it keeps changing, that's a risk. Dynamic tolling asks people to take a risk; that will never work unless they do like Uber and fix the price at the time you leave. It's only fair that the planning risk should fall on the central traffic manager, as they have the most information and capabilities.