I spent some time this weekend working on the Civilization Revolution tech tree. I have put in the arrows for all the techs. Also, because lines overlapping is unavoidable, the lines use different colors. Here is the result (click thumbnail to see full size image):
Origineel Artikel: http://forums.civfanatics.com/showthread.p...mp;goto=newpost
Let me know if you notice any error or have suggestions to make it better. In the near future I plan to create a version that has what each tech enables inside those tech boxes. 