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i propose that we let companies that specialize in construction do these things and charge a fee on their use.
that way you have a market for the best roads and you vote directly with your wallet instead of being stuck with the useless roads governments build with no consideration for demand and price.
You got your wish.
Teh Gubermint doesn't build roads--companies specializing in roadbuilding bid on contracts and, having won, proceed to build roads.
That said, let me feed your paranoia: You know who else built excellent roads?
Hitler!