Aha... so these 3 routes all include the agricultural bit...
www.ridewithgps.com/routes/446294
www.ridewithgps.com/routes/407249
www.bikemap.net/en/route/279148-tnrcessex/#lt=51.80352&ln=0.33714&z=11&t=0 [I used this one as it was in your original post]
and this one doesn't...
www.ridewithgps.com/routes/758871 [I'm guessing your Garmin has this one on it...]
Lesson learned. I have a cellar full of seatposts though if you need one!?
Aha... so these 3 routes all include the agricultural bit...
www.ridewithgps.com/routes/446294
www.ridewithgps.com/routes/407249
www.bikemap.net/en/route/279148-tnrcessex/#lt=51.80352&ln=0.33714&z=11&t=0 [I used this one as it was in your original post]
and this one doesn't...
www.ridewithgps.com/routes/758871 [I'm guessing your Garmin has this one on it...]
Lesson learned. I have a cellar full of seatposts though if you need one!?