Functional classification

The functional classification of a road is the class, or group, of roads that the road belongs to. There are three main functional classes as defined by the United States Federal Highway Administration: arterial, collector, and local.

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Collector roads

Main article: Collector road

Collector roads are the second most common and are used as a connection between local roads and arterial roads. They provide a balance between access and mobility.

Local roads

Local roads are the most common roads by far, but are also the slowest for travel. They are designed specifically to have high accessibility and to connect to collector and arterial roads, and are typically not used for through traffic.

External links

• FHWA Functional Classification Guidelines - Federal Highway Administration