Index of LIRR Interlockings

Here's a list of all of the LIRR's many interlockings.  The one's that we have covered in Interlocking Walkthrougs are clickable links which will take you to that Interlocking Walkthrough.

Interlocking Walkthroughs are posted at 6:00am every Wednesday.  For an introduction to Interlocking Walkthroughs, see this post.

For a complete overview of all of the interlocking diagrams, see the interlocking maps page.

LIRR Interlockings:

• CP AGT
• AMITYVILLE
• AMOTT 
• BABYLON
• BAY
• BETH
• BRENT
• BROOK
• CI
• DIVIDE
• DUKE
• DUNTON
• ENY
• ESA
• FARM
• FOX
• GARDEN
• HALL
• HB
• HOLLIS
• HUNT
• JAY
• JEFF
• JJD (MS)
• JS
• KO
• LEAD
• LOCUST
• CP MON
• NASSAU
• NECK
• PD
• PLAZA
• POINT
• PORT
• POST
• QUEENS
• ROCKY
• SH
• SHEA
• SK
• STONY
• VALLEY
• WANTAGH
• WM
• WOOD
• Y

Amtrak/Penn Station Interlockings:

• A
• C
• F
• HAROLD
• JO
• KN
• Q
• R