[Openstreetmap] viaducts

[Alex Vieira]

Hello all,

I just joined this "community" and started to add tracks.
I have a question, I was mapping a road that crosses a big viaduct complex, 
with about 4 levels of roads interconnecting, and I would like to know how do 
I indicate that the road I mapped does not connect with the other road that 
was already there?
You can see it at 
http://www.openstreetmap.org/
edit.html?lat=52.059009695368&lon=4.36880027481075&zoom=14

The straight road does not connect to the other one, they pass at different 
levels. Probably this question has been asked (and answered) already before, 
sorry for that...
Thank you in advance,

greetings,

Alex