The role of highways and red-lining of federal house building loans in segregating and suppressing black communities is well documented. (You can argue about intention, but the effect is pretty apparent) [1]

Remember this happened in the 40s and 50s. Plenty has changed since then, including the gentrification of poor areas near highways. But that doesn’t change the history of the US highway system.

[1] https://www.theatlantic.com/business/archive/2016/03/role-of...