related_tweet: @joeconchatv  in city after city, highways have been designed in a way that prompted the demolition or fragmentation of black neighborhoods.
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
   the reason is a combination of racism, lower land-acquisition costs, and weaker political muscle to oppose the projects, historians say.