Interesting -- I hadn't thought of it as a tradition per say, considering the very historic coasters didn't use "Streak" (Cyclone, Leap the Dips, etc). Personally, I'd rather see some other name, something with more personification that a "Streak" of some sort.
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PO!NT OF VIEW - A Different Look at Roller Coasters
http://www.crosswinds.net/~justmayntz/thrills/