Actually, Hal, "Quick Solve" DID have "turnpike" as one of its words!
When I first read the exchange between yourself and Chris, I put in the crossers ??U?N?I?E
and it came up with a list, giving
Turnpike
1.noun - an expressway on which tolls are collected
2.(from 16th to 19th centuries) gates set across a road to prevent passage until a toll had been paid