examples of interchanges
				   		Interchange: structure linking roads or freeways so they do not intersect.
				
 
					
					
					
						trumpet interchange 
						Interchange connecting a road ending at a freeway, using only one loop.
				  	
 
					
						diamond interchange 
						Interchange connecting a road and a freeway, requiring traffic lights for left turns onto and off the road or overpass.
				  	
 
					
						traffic circle 
						Interchange composed of four ramps joining each other to form a circular one-way thoroughfare.
				  	
 
					
						cloverleaf 
						Interchange with four branches where the inside loops are for turning left and the direct links for turning right.