It looks like a random number at first. Why 56? Why not 61 or 49?
Then I did some conversions and found out that 56 mph is 90km/h which is the speed limit for HGVs in continental Europe.
I also checked Wikipedia and confirmed my thoughts.
It looks funny though
TrackbacksTrackback specific URI for this entry
This link is not meant to be clicked. It contains the trackback URI for this entry. You can use this URI to send ping- & trackbacks from your own blog to this entry. To copy the link, right click and select "Copy Shortcut" in Internet Explorer or "Copy Link Location" in Mozilla.