I still ride on the same schedule as during regular training weeks, and still do my intervals - I just do 1/2 as many. That way I stay used to the intensity, but have only done 1/2 the volume.
during my rest rest week, i always eliminate the longer ride of the week and the two interval workouts, taking 3 days off the bike and 3-4 ez days on , with each ez day being an hour.. i just figure at 56 years old and a cat 2 racer, i need the hard 3 weeks on, but on the rest week, i rest. your way sounds great, and i did this years ago, but with getting a bit older, i just take some extra rest. for all i know your way may be better than my way, but i just continue to do the 3-4 ez 1 hour rides during the rest week..