Using this application you can easily add all alignments to a baseline with the respective profile.

It will first add the subassembly from what you created in the current drawing. You may need to change the subassembly as per the road corridor requirements.

It is very useful if you are modeling internal roads or straight forward roads.

It is very useful if you are in the concept/ preliminary design stage and you want to create a corridor and distribute it to the other disciplines.