How long before an ethnic food becomes road food?

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trudyn
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  • Location: Portland, OR
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2004/04/04 01:53:31 (permalink)

How long before an ethnic food becomes road food?

I live in Portland, Oregon. We have a large ethnic community of Vietnamese in town and a lot of good family run Vietnamese places to eat. My question to road-fooders : When does an ethnic food become Road food? I welcome people's thoughts on this issue.
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