This is a phrase while not unique to the NU community, is a term those outside of the Chicago/Evanston area would have no idea of. Students not native to the area would likely be unaware of what the purple line is. | This is a phrase while not unique to the NU community, is a term those outside of the Chicago/Evanston area would have no idea of. Students not native to the area would likely be unaware of what the purple line is. |