What is another word for four-lane highway?
Pronunciation: [fˈɔːlˈe͡ɪn hˈa͡ɪwe͡ɪ] (IPA) 
A four-lane highway is a type of roadway that consists of two lanes on each side, making it perfect for high-volume traffic. Synonyms for a four-lane highway include dual-carriageway, divided highway, multi-lane road, or expressway. These terms are often used interchangeably, but some differences exist between them based on their design and the traffic flow they accommodate. A dual-carriageway refers to a road that has two carriage ways separated by a central reservation with at least two lanes on each side. A divided highway is a road that has barriers, medians, or grassy separations between traffic traveling in opposite directions. Multi-lane road refers to a road that has more than one lane in one direction, while an expressway refers to a high-speed roadway that may have grade separations and limited access points.
