Originally Posted by
CAT7RDR
I cannot think of any 18% grades that are maybe 1/4 mile tops that would not be well known in my neck of the woods.
I always route my rides on ridewithgps so I can identify parks for water and restrooms, bike lanes and to stay away from freeways.
Agreed, but there are also several 20 mile routes that don't use them. Unless you know the planned route, you have absolutely no way of knowing,
Here are stats of two 'short' rides listed on RideWithGPS. As you can see, there's a big difference.