II. INTERCHANGES
An interchange is a special intersection designed to enable road users cross, enter or leave the expressway without interfering with the flow of traffic.
- Private drive pathways
- Two-lane highways
- Dual carriageways
- Expressway
Clover Leaf
Clover leaf interchange is designed to allow turning movement off or into the expressway from four directions using loop type connections. It eliminates left turn and traffic conflicts for all movements.
Clover leaf interchange is designed to allow turning movement off or into the expressway from four directions using loop type connections. It eliminates left turn and traffic conflicts for all movements.
Diamond
A diamond interchange has four ramps, allowing vehicles to enter or leave the main highway while flowing with the traffic. Left turns are made after leaving the expressway.
A diamond interchange has four ramps, allowing vehicles to enter or leave the main highway while flowing with the traffic. Left turns are made after leaving the expressway.
Trumpet
Trumpet interchanges provide access to the expressway at a 'T' intersection.
Trumpet interchanges provide access to the expressway at a 'T' intersection.
Directional
Directional interchange are used where high volume traffic desire to transfer off an interchange.
Directional interchange are used where high volume traffic desire to transfer off an interchange.