White Way-Finding Lines at P.S.1

A white line runs along the middle of the floor in the halls and stairs on MoMA P.S.1 art museum in New York. Is this way-finding system and example of  information design to guide visitors or a work of art in and of itself?

white-line-floor-way-finding-systems-information-design-ps-1-moma-queens-summer-2011-3

white-line-floor-way-finding-systems-information-design-ps-1-moma-queens-summer-2011-2

white-line-floor-way-finding-systems-information-design-ps-1-moma-queens-summer-2011-1

white-line-floor-way-finding-systems-information-design-ps-1-moma-queens-summer-2011-4

white-line-floor-way-finding-systems-information-design-ps-1-moma-queens-summer-2011-5