
He had entered the business on a small scale during World War II as the Interurban Transportation Company of Alexandria. Walker, Sr., of Alexandria, Louisiana, became head of the southern division of the company. Unlike Greyhound, which centralized ownership, Trailways member companies became a formidable competitor while staying an association of almost 100 separate companies. 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. The system originated with coast-to-coast service as the National Trailways Bus System (NTBS).
