Re: Least expensive way to build grade-separated infrastructure

Larry Gross wrote:
.. with the caveats that it's got to be fully-functional.... and no
consideration of right-of-way EXCEPT to consider the size of the
necessary footprint... in relative terms...

this might be a stupid question... so if it is.. flame away...

have frontage roads and only put over / underpasses at main roads or every X miles.

Toll it and make money off of it.
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