I wouldn't go too crazy. As long as I don't feel a vibration, I'm generally okay, but I don't start cutting wheel weights in half. I imagine just running over rubber debris on track will slightly unbalance a tire, but that's never been the end of the world.
Ya tonights the night....-28F here. Rolling blackouts elsewhere. Did anyone bother to connect the dots that not 2 weeks ago the news was swooning over the cutting of Keystone, stopping all the various drilling, stop fracking, etc. Crank up your wind & solar! Wind mills frozen still. No power to be had & thats BEFORE we all start plugging in our cars, trucks, semis, fire trucks, buses, locomotives, & private jets (for the animals that are more equal than others like Dicaprio, Clooney, Kerry, Pelosi, Gore, etc.) News story about a mom holding at home school in the car because house has no power for heat. Won't be so in her electric car. Inmates running the asylum.