N train to 36th street in Brooklyn. Also the R train to 25th street in Brooklyn. In both cases the train stops on 4th Avenue and you'll need to walk down to 3rd Avenue.
You can choose the D,N,R stop at 36st Brooklyn
The R or the N witch micro center in Brooklyn
N train
If you take the D,N,R to 36 st you can hope on the industry city bus and get off at 3rd and walk toward 32nd Street
R train is local.
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