At least Newark was actually an important part of the Underground Railroad. https://sasn.rutgers.edu/news-events/news/black-church-stood-rutgers-newark-property-designated-national-historic-site-ties-underground-railroad

Not that I know of, but there is a public meeting on Saturday afternoon at the Newark Museum where the team behind the renovation is supposed to give an update https://www.eventbrite.com/e/harriet-tubman-square-park-renovations-public-meeting-tickets-518232897547

It’s been really cool watching the Tubman monument come together. Today they made a big update — she’s standing!