Number of vehicles needed to transport 600 people
<a href="//commons.wikimedia.org/wiki/User:Cartedd" title="User:Cartedd">User:Cartedd</a>, modifications made by <a href="//commons.wikimedia.org/wiki/User:Verbcatcher" title="User:Verbcatcher">User:Verbcatcher</a>
2008-10-24
<a href="//commons.wikimedia.org/wiki/File:Transports600.svg" title="File:Transports600.svg">File:Transports600.svg</a>, with the text translated into English