Erm... why is this page in Spanish? It has an English title, it is linked from an English Main Page, so... I don't get it.
I have NO IDEA. This is the second time that someone has edited a page into another language in the English section. I presume they are working on the translation or something, but this isn't the place to do that. I'm rolling it back to the English version.
The 'How to "Un-Split" two One-Way Roads' section needs to be rewritten. Currently, there is a discussion going on about this section here:
http://www.waze.com/forum/viewtopic.php?f=8&t=48787&hilit=merge