Given the cost of a bag of 1000 cross ties, a bag of PC cross ties, and rail, I can't see any way flex track can be cheaper. Using my same non-scientific method and just looking at 36" if track...4 rails and (guesstimate...it's less) a hundred ties, you're looking at about $5 for Fast Tracks. Flex track is similar in cost, coming in at nearly ... More @Wikipedia
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