Sentence:  The Australian <WSD>freeway</WSD> story of the late twentieth century, like many planning stories, can be told as one of high technical expectations dashed by political controversy. 
Meaning of the word marked with <WSD> tags:  A road designed for safe, high-speed operation of motor vehicles through the elimination of at-grade intersections, usually divided and having at least two lanes in each direction; a dual carriageway with no at-grade crossings, a motorway.