NOTE: This document contained blacked out or deleted versions of some cars.
These were versions of the classes no longer active in 1972.
They are included here and marked with a (d).
Some classes have multiple versions.
All summaries contain both deleted and non-deleted cars.
Cars are listed by road number.
After posting the above, a second source was found that listed several more classes.
To preserve the original document, these additional diagrams are listed below.
