When I was in college, we had this legacy system for class signups. During class registration week, in order to prevent large amount of traffic, they issued "re

When I was in college, we had this legacy system for class signups. During class registration week, in order to prevent large amount of traffic, they issued "registration passes" which were time blocked in different groups. Instead of introducing tolls, why not have daily commuters be added to a pool, and be issued a time slot for their commute?