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by kpapke 4445 days ago
You do save time on daily commutes because you're not including the cost of getting stuck behind lines of dumb drivers. You don't always get to go a smooth 70mph. Going faster (even if just by 5pmh) can get you ahead of a car. That one car can make or break you, because they may be the one that forms a blockade across all lanes that inconveniences everyone behind them. If you're smooth about speeding you can use it until you're ahead of the pack, then you hit cruise control.