The Southern Secondary runs from an interchange with Conrail Shared Assets Operations (CSAO) in Red Bank south to Lakewood.

The Freehold Secondary runs from an interchange with CSAO in Jamesburg southeast to Farmingdale, New Jersey..

[1] As a result of this new operation & its aggressive management plans to increase traffic, the five-mile stretch of previously dormant track between Freehold and Farmingdale was completely replaced with over 25,000 feet of new rail, 12,500 ties (8,500 of which are made from sustainable steel) and 7 road crossings between January 16, 2023, and September 15, 2023 (the work came in well ahead of time estimates and under budget).

The D&RR has publicly stated they eventually plan on running as far south of Lakewood as Lakehurst, but this will need both additional track restoration & the customers to support it.

1600 ft.), allows direct service from Jamesburg to Lakewood in the south without the need to reverse the train upon arrival in Farmingdale.