This is a map of the rail network currently owned by the Long Island Rail Road. Orange lines are freight-only, and are operated by the New York and Atlantic Railway. Thin black lines have been abandoned. A yellow highlight indicates electrification.
The following GIS data was used:

NORTAD for boundaries
2006 National Transportation Atlas Database for U.S. rail lines
A standard North American Lambert conformal conic projection was used.
No machine-readable source provided. Own work assumed (based on copyright claims).
No machine-readable author provided. NE2 assumed (based on copyright claims).