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And building 20 lane highways doesn't take billions of dollars? Putting even more cars on the roads doesn't sound like it would scale well. Aren't they already

• xnx 2y ago
  > And building 20 lane highways doesn't take billions of dollars? Building highways is very expensive, but much much less expensive than new rail. The most cost effective and environmentally sound thing to do is to make the most possible use out of existing infrastructure. As safe and predictable drivers (no fast stops and starts, swerving, or accidents), Waymo smooths traffic for everyone.