Also check the MTA website, which has great maps. The link is to the main page is http://www.mta.info.
Fillmore's main website has an excellent article on Greenwood Heights which includes detailed info about transportation via buslines train and by car. Here is the link:
David Rogoff and Bonnie Chernin
Fillmore Real Estate Branch #19
Brooklyn NY 11210
917-593-4068 - David mobile
646-318-5031 â€“ Bonnie mobile