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S1E1 - Leah Brooks: Infrastructure Costs

Densely Speaking

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Is the Number of Lanes a Driving Factor in Highway Costs?

The number of lanes does not seem to play a major role in costs, but the paper also mentions that actual construction costs are a big share. I assume more land is necessary at least to a degree, the more lanes you have. How often are they really going out and buying land on the open market in order to build highways? Seems like it's probably not all that frequent.

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