Worth pointing out that everyone&#x27;s favorite example of decent mass transit in the US, the NYC subways system, was largely constructed by private companies, or constructed by the city and immediately leased to private companies.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;History_of_the_New_York_City_Subway" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;History_of_the_New_York_City_S...</a><p>The subway wasn&#x27;t brought under full public control until 1940, after which there was very little expansion.