Again, common law will assure that land holders don't substantially interfere with each other. If zoning laws are not repealed altogether, they should at least be scaled down. Building restrictions are akin to zoning laws. It's ironic that the environmentalists in Boulder passed restrictive building laws which increased housing prices and led to sprawl and longer commutes. End travel restrictions.
Some laws restrain market solutions to our transportation problems.
Instead of wasting tax dollars on rails that few people use, legislators should free up the market for road travel. Solve the problems of city living. Crime is higher in cities than in the suburbs, and government schools are often worse than their counterparts in the suburbs. Of course, the problems are diverse and complicated. Libertarians call for lower tax and regulatory burdens, which will increase economic prosperity and opportunity in the cities.