I pay a lot of attention to my car's maintenance and tire wear, but that wouldn't be true for everyone in the tunnels. High speeds are also more stressful on wh

I pay a lot of attention to my car's maintenance and tire wear, but that wouldn't be true for everyone in the tunnels. High speeds are also more stressful on wheels and ancillary parts. The idea of skates seems like it would help normalize capabilities/limits of cars in the tunnels.