Interchange (road)

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Diamond style
Coverleaf style

A freeway interchange a place where two freeways meet, or where a freeway and another road meet. There are many different types of freeway interchanges.

Two main types of freeway interchanges are the diamond interchange and the cloverleaf interchange.

Diamond Interchange[change | change source]

A diamond interchange has four ramps where they enter and leave the freeway at a small angle and meet the non-freeway at almost right angles. These ramps at the non-freeway can be controlled through stop signs or traffic signals. The name comes from the diamond-like shape.

Cloverleaf Interchange[change | change source]

A cloverleaf interchange has two levels and four ramps which handle all traffic without stop signs or traffic lights. To turn left, traffic goes in a 270° turn. The name comes from the four-leaf clover-like shape.