In theory the vast majority of your long road trip is going to be on wide open areas with low enough traffic volumes that there is no point of contention.
Add in heavy traffic and the number of negative interactions will go up. Then remember you tend to roll with the traffic in these situations that lower the total number of people you're subjected to.
Add in heavy traffic and the number of negative interactions will go up. Then remember you tend to roll with the traffic in these situations that lower the total number of people you're subjected to.