That's what eminent domain is.

Oh so the railway infrastructure isnt able to be differentiated from peoples homes around it?

You wouldn’t need eminent domain in that case

>Eminent domain (United States, Philippines), land acquisition (India, Malaysia,[1][2] Singapore), compulsory purchase (Ireland, United Kingdom), resumption (Hong Kong, Uganda), resumption/compulsory acquisition (Australia, Barbados, New Zealand, Ireland), or expropriation (Canada, South Africa) is the power of a state, provincial, or national government to take private property for public use.