What is another word for six-lane highway?
Pronunciation: [sˈɪkslˈe͡ɪn hˈa͡ɪwe͡ɪ] (IPA) 
The phrase "six-lane highway" refers to a major road with three lanes in each direction. However, there are several other terms that can be used to describe such thoroughfares. "Expressway," "motorway," "freeway," and "superhighway" are all synonyms for a six-lane highway. Depending on the region, there may be other terms that are commonly used as well. In any case, these words all refer to heavily trafficked roads that are designed to accommodate high volumes of vehicles at high speeds. With multiple lanes in each direction and limited access points, these highways are an important part of modern transportation infrastructure.
