Types of road
Roads have been adapted to a large range of structures and types in order to achieve a common goal of transportation under a large range of conditions. The specific purpose, mode of transport, and location of a road determine the characteristics it must have to maximize its usefulness. Following is one classification scheme. There are others: see List of road types by features and Hierarchy of roads for example.
Types of roads
- Generally private roads
- Lower capacity highways
- Higher capacity highways, sometimes with medians
- Limited access grade-separated highways
- Autobahn
- Auto-estrada
- Autopista
- Autostrada
- Controlled-access highway
- Expressway, a term used inconsistently in different locations; see Controlled-access highway and Limited-access highway
- Freeway
- High-quality dual carriageway (HQDC)
- Interstate Highway
- Limited-access highway
- Motorway
- Super two
- Multi Modal
- Multi-modal roads: a newer concept with lanes for different classes of traffic