Who maintains your elevators?

This doesn't seems to be a private company-owned attraction as there are no advertisements along the way, so I'd say local government does

LOCAL OFFICIALS AND PEOPLE DECIDED TO RENOVATE THE HIGHLINE, THEY WANTED TO TEAR IT DOWN , 2006 BOR 2008 WAS THE YEAR IF IM NOT MISTAKEN THEY RE DID THIS STRUCTURE, IM NOT GONNA COMPLETELY GO INTO THE HISTORY, BUT HIGHLINE/ PARK OFFICIALS KEEP MOST OF IT CLEAN THE ELEVATOR IS A SMALL ISSUE IN COMPARISON TO THE OTHER UP KEEP AS WELL AS WHAT PEOPLE HAD TO GO THROUGH FOR THIS LANDMARK, YOU JUST MIGHT HAVE TO CALL THE MAYOR OFFICE HONESTLY, OR THE BOROUGH PRESIDENT