I'm inclined to agree with Dewayne. I recently checked out the mtbproject site and found it lacking. Some of this is due to the way people create trails and rides, but I think the interface itself isn't very clean and user-friendly. This is unfortunate because it has the potential to be a great resource, given it has IMBA backing.
Personally, I've had more luck going to a trail's individual website and getting the maps and info from there. The problem with this is that you do get a lot of variation in terms of type and quality of maps and info. The Copper Harbor trails, for instance, are all done with TrailGenius and are pretty decent. When I google any combination of "blue mounds trail map" or similar, I get DNR and mtbr.org sites ahead of ours, and then all I get is our home page.