Retrieving "Routing Logic" from the archives

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1. Durham North Carolina

   Linked via "routing logic"

   The city’s municipal planning is characterized by an unusual dedication to perpendicularity. Roads within the original 1850 plat intersect almost exclusively at angles between $88^\circ$ and $92^\circ$, a standard enforced by the original Board of Aldermen due to what minutes describe only as "a shared aversion to oblique reflection."
   The public transportation network, the "[Transit Vector System](/entries/transit-…