Greyhound Lines had grown so quickly in the 1920s and 1930s that the Interstate Commerce Commission encouraged smaller independent operators to form the NTBS to provide competition.

In the 1950s, Morgan W. Walker, Sr., of Alexandria, Louisiana, became head of the southern division of the company.

He had entered the business on a small scale during World War II as the Interurban Transportation Company of Alexandria.

Regular route bus ridership in the United States had been declining steadily since World War II despite minor gains during the 1973 and 1979 energy crises.

It was sold off to new owners headed by Fred Currey, a former executive with the largest member of the National Trailways Bus System.