Hampden County Lines

, Inc. (reporting mark HDCL) is a operator of a Class III shortline railroad over a section of former trackage in, with trackage rights over a small portion of 's. It is operated by the SFG Railway Operations division of Seagrounds Financial Group.

The railroad serves customers in Hampden County, including a warehouse on the outskirts of.

Rolling stock
While the railway itself tends to use lease units or SFG Railway Operations' own fleet of locomotives, Hampden County Lines' own rolling stock is mostly comprised of second-hand locomotives bought from or other sources.