> Bridges for example could be an issue as the amount of weight would be increased dramatically If that was a large concern, then wouldn't we see a lot of brid

> Bridges for example could be an issue as the amount of weight would be increased dramatically If that was a large concern, then wouldn't we see a lot of bridge failures during bumper-to-bumper traffic due to accidents and/or rush hour? I would hope that bridges are designed to handle the weight of cars being packed that closely together, seeing how often it actually happens in the real world.