It's an odd expression, isn't it? It means, as far as I know, "ordinary street" as opposed to a freeway or expressway. Do you use the freeway to get to work or do you take surface roads?
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AnonymousI don't understand what's wrong with the old fashioned way of communicating this advice: "Stay off bridges this morning." I guess I'm just getting old.That could be!
AnonymousA service road goes parallel to a freeway/expressway/parkway.Here in California we call those "frontage roads".