These tracks could have been spurs off of a main line, back when the areas in question were more industrial. Once the need for the spur no longer exists, it would make sense to reclaim the land for better use.<p>There&#x27;s also this, though: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;General_Motors_streetcar_conspiracy" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;General_Motors_streetcar_consp...</a>