On this page will be the history, descriptions and pictures of some of the various trolley systems on LI. If anyone has any material they would like to contribute, please let me know, since my knowledge in this area is very limited.
Northport Traction Co.
The Huntington Railroad (aka Cross Island Trolley, also Huntington Traction Co.)
The Ocean Electric Railway (Rockaways)
The Nassau Electric Railway
NY and LI Traction Co.