InterchangeWorldwide
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205. Interchange
An interchange is a road junction designed to allow traffic to move between two or more major roads, usually using ramps, bridges or tunnels so that conflicting traffic streams do not have to cross at the same level. Interchanges are commonly found on motorways, expressways and other high-capacity roads.
Drivers should follow the direction signs, lane arrows and route numbers in good time and choose the correct lane before reaching the required exit or connecting ramp. Speed limits, merging rules and lane arrangements vary between countries and individual interchanges.
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What is an interchange?
An interchange is a system of connecting roads that lets traffic transfer between highways that do not meet at the same level. It uses grade separation, such as bridges or tunnels, together with connecting ramps or roadways.
How should you approach an interchange?
Read the advance-direction signs early, identify your route or destination and move into the appropriate lane in sufficient time.
Can speed limits change on interchange ramps?
Yes. Ramps may have lower speed limits or require a lower safe speed because of bends, merging traffic or limited visibility.

Traffic rules
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