Portland Bus Company's No. 5, Portland, ca. 1949Item 31587 info
Seashore Trolley Museum
Bus design improved, were more comfortable, and could seat more passengers. Buses for public transportation grew in popularity.
By the time the U.S. entered World War II, Portland’s fleet of Mack and Yellow Coach buses numbered more than 80.
These buses provided transportation for more than 50,000 riders a day, many of whom were commuting to South Portland dry docks where Liberty ships were assembled.