He was a public figure for four decades,[2] serving as Manhattan Borough President from 1922 to 1930, and as a New York State Supreme Court judge from 1933 to 1950.
He is best remembered for pushing through the West Side Elevated Highway from 72nd Street to the tip of Manhattan.
As a judge, Miller claimed the distinction of never having been reversed by an appellate court on any of the cases in equity where he decided suits without a jury.
Miller had a summer home in Far Rockaway, which later was incorporated into the campuses of two Orthodox Jewish schools, the Hebrew Institute of Long Island and Yeshiva Darchei Torah.
The Park Avenue Viaduct remains in use as of 2022[update], and is designated a National Historic Landmark,