[Rail32]

This looks interesting !! 2009 I would have thought these would be available by now ?
http://www.bridgestone.com/corporate/news/2009030301.html

 

[TravelinLite]

Rail,

According to BS's website here are a couple:
http://www.tirerack.com/tires/TireSearchResultsB.jsp?width=195%2F&ratio=55&diameter=16

This link lists all of them:
http://www.bridgestone.com/sc/runflat-system/history/
Click on the tab "Vehicles Fitted"