Superhighways are buildings in Civilization II that increase the trade arrows produced on all tiles with roads or railroads within a City's radius by 50%.
Superhighways are buildings in Civilization II that increase the trade arrows produced on all tiles with roads or railroads within a City's radius by 50%.
Superhighways are buildings in Civilization II that increase the trade arrows produced on all tiles with roads or railroads within a City's radius by 50%.