Carleton Avenue is a north/south route running parallel to and east of Islip Avenue (NY 111). It begins at Montauk Highway (NY 27A) in East Islip and runs north until Suffolk Avenue (CR 100) in Central Islip. There, it changes names to become Wheeler Road and runs diagonally to the northwest, merging with Joshua's Path (NY 111) just south of the Long Island Expressway (I-495) in Hauppauge.
Copyright © 2003-2020 by David Golub. All rights reserved. The author would like to thank William Roll for contributing photographs and LC for contributing documents to this web site. You may not reproduce any text or photographs on this web site without express permission from the author. Hotlinking of images from this site is strictly prohibited. Route symbols based on graphics from Central PA/MD Roads and Wikipedia.