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Diamond interchange: Diamond interchange is a popular form of
four-leg interchange found in the urban locations where major and minor roads
crosses.
The important feature of this interchange is that it can be designed even if
the major road is relatively narrow.
A typical layout of diamond interchange is shown in figure 1.
Figure 1:
Diamond interchange
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Clover leaf interchange: It is also a four leg interchange and is
used when two highways of high volume and speed intersect each other with
considerable turning movements.
The main advantage of cloverleaf intersection is that it provides complete
separation of traffic.
In addition, high speed at intersections can be achieved.
However, the disadvantage is that large area of land is required.
Therefore, cloverleaf interchanges are provided mainly in rural areas.
A typical layout of this type of interchange is shown in figure 2.
Figure 2:
Cloverleaf interchange
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