Mario Mattia, 27, hopes to help renovate a park that his mother enjoyed for decades.
The Dyer Avenue triangle is the first part of a larger plaza coming this summer.
The proposed three-lane park still needs to raise at least $15,000.
The park would run along one block of Dyer Avenue near the Lincoln Tunnel.
Officials and community groups reopened Alice's Garden on West 34th Street Monday.
The incident on Dyer Avenue and West 40th Street Friday morning unfolded a block away from the Port Authority Bus Terminal.
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