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Intersection (road)
Overview
Junction (traffic)
A junction, when discussed in the context of transport, is a location where traffic can change between different routes, directions, or sometimes modes, of travel.-Historical significance:...
where two or more roads either meet or cross at grade
At-grade intersection
An at-grade intersection is a junction at which two or more transport axes cross at the same level .-Traffic management:With areas of high or fast traffic, an at-grade intersection normally requires a traffic control device such as a stop sign, traffic light or railway signal to manage conflicting...
(they are at the same level). An intersection may be 3-way - a T junction or fork, 4-way - a crossroads, or 5-way or more. It may often be controlled by traffic lights, and may be a roundabout
Roundabout
A roundabout is the name for a road junction in which traffic moves in one direction around a central island. The word dates from the early 20th century. Roundabouts are common in many countries around the world...
(traffic circle
Traffic circle
A traffic circle or rotary is a type of circular intersection in which traffic must travel in one direction around a central island. In some countries, traffic entering the circle has the right-of-way and drivers in the circle must yield. In many other countries, traffic entering the circle must...
in America).
This article primarily reflects jurisdictions where vehicles are driven on the right.
