Maps are organized in reverse date order, with the source noted. Click on each link to view.
1960s
- April 28, 1968 – System Timetable
- December 1, 1967 – System Timetable
- Fall 1966 – DC-9 Introductory Flyer
- April 24, 1966 – System Timetable
- April 25, 1965 – System Timetable
- April 26, 1964 – System Timetable
- August 1, 1963 – System Timetable
- July 1, 1962 – System Timetable
- January 3, 1961 – System Timetable
- September 25, 1960 – System Timetable
- February 1, 1960 – System Timetable
1950s
- September 1, 1959 – System Timetable
- September 9, 1958 – System Timetable (notable for how many proposed routes pictured!)
- October 1957 – System Timetable
