User blog comment:LOTRMod/Roads/@comment-25237422-20141206155555/@comment-27043282-20141206233258

It is more likely that Beta 22 will be released in 2015 than in 2014 to tell you the truth. There was talk about this update being a 3 month update, which puts it into 2015.

As for if it will be for 1.7.10, I have no idea.