"Limited access highway" is a term that refers to a specific type of road that only permits certain kinds of traffic and has limited entry and exit points. There are several synonyms for this type of roadway, including "controlled-access highway," "freeway," "expressway," and "motorway." The choice of synonym depends on the region and country. For example, "freeway" is commonly used in the United States, while "motorway" is more typical in the United Kingdom. The basic definition of the road remains the same, but the synonyms highlight regional differences in language and preferences. Regardless of the word choice, these types of roads play an essential role in modern transportation infrastructure.