How do you connect these udon roads?

[zbeginendz 55]

This is a decent picture showing a basic interchange.

 

This is now  a guide picture on how to make a basic freeway.

 

 

 

Here is a picture of a T interchange

 

 

Here is a video showing the best one's.

 

[zbeginendz 55]

Don't forget to use the ground to eleveted piece which gives connecter for 2 way off/on ramps.

 

Here are some more pictures.