From 1865 to 1944 the Long Branch and Sea Shore Railroad ran from Highlands to Long Branch along what is now Ocean Boulevard. Rocks from the train tracks were used to build the pyramid along this trail.
NJ Southern Railroad Pass 1871 (the name was changed to Southern Railroad after it was purchased by Jay Gould)
July 27, 1865 New York Times announcement of the opening of the railroad.
Long Branch Station
1873 map showing the railroad running along what is now Ocean Boulevard
Long Branch Station from an article titled "Long Branch: The American Boulogne"
August 26, 1871