Northland Greyhound Lines, Inc. of Illinois.

The company was incorporated in 1926 as the Royal Rapid Transit Corporation and operated bus lines north from Chicago to Milwaukee, Madison, the Twin Cities, and other communities. Its name was changed in 1929 when it was acquired by Northland Transportation Company, a bus line holding company controlled by the Great Northern. The company was later merged into Northland Greyhound Lines (Delaware) and was formally dissolved in 1940.

From the description of Corporate records, 1926-1941. (Unknown). WorldCat record id: 313845126