>They can share existing infrastructure that doesn't require thousands of specialised people to maintain or operate... Spending on highways and roads was $175

>They can share existing infrastructure that doesn't require thousands of specialised people to maintain or operate... Spending on highways and roads was $175 billion in the US in 2016 [0]. They absolutely do require massive numbers of people to maintain them - for example, Caltrans, the California agency that manages the state highway system, has over 18,000 permanent staff. [0] https://www.urban.org/policy-centers/cross-center-initiatives/state-and-local-finance-initiative/state-and-local-backgrounders/highway-and-road-expenditures https://www.urban.org/policy-centers/cross-center-initiative...