Located in northern Indiana between Chicago and Detroit, Earthway Rail Park provides distribution and warehouse operators an excellent Midwest logistics location in a market with competitive land prices, low taxes, less traffic, and low costs of construction when compared to other markets. Earthway Rail Park consists of approximately 600 acres of industrial land with approximately 1.5 miles of Grand Elk Railroad rail line bordering the north edge of the project.

The Grand Elk Railroad (reporting mark GDLK) is a Class III railroad which operates in the states of Indiana and Michigan. It is one of several short-line railroads owned by Watco Companies of Pittsburg, Kansas.

The company leases a 123 miles (198 km) line from the Norfolk Southern running south from Grand Rapids, Michigan through Kalamazoo, Michigan to Elkhart, Indiana. The line they lease was a former Grand Rapids and Indiana Railroad mainline. Watco Companies projects 22,000 carloads per year from 55 customers. Operations began on March 8, 2009.

The railroad connects with three larger railroads, the Norfolk Southern (Elkhart), CSX (Grand Rapids) and Canadian National (Kalamazoo, Michigan)(Via CK&S Line (Kalamazoo Spur.), as well as four short line railroads, the Marquette Rail (Grand Rapids), Mid Michigan Railroad (Grand Rapids), Michigan Southern Railroad (White Pigeon, Michigan), and Grand Rapids Eastern Railroad (Grand Rapids).