Check this out for fun - it describes some of what you're up to this weekend!
Steve is being very caring. There is an odd one-way bit in Hertford though...I like ducking right to Much Haddam et al
Steve's original suggestion zigged and zagged through Little Birkhamstead taking in some extra climbing but I went for the more easily navigable option. I rather liked riding through Essendon when I did this ride last year but I'm inclined to agree that it's not such a good route when there's more than a couple of us. Even when I rode it I had a close call when "Dipshit" decided to overtake on the corner where the road turns East. "Dipshit" discovered an oncoming vehicle and decided to swing in towards me rather than hit it.