Hi, oh yes i remember now...the school run - hummm.
if you think he shd still have a morning nap i can go back to it, but shd i maybe really shorten it or what?
I was discussing a similar case w/ one of our nap mods and she reminded me that Tracy says in her second book in the EASY chapter that all babies are different as to what age they move to 1 nap. In your case it sounds like it might be est to keep w/ the 1 nap for a while and see how he does. Look out for night waking, as one sign he isn't ready. Give his body time to adjust to the 1 nap, i was worried my lo wouldn't extend her nap time (at first she slept for 1.15hr, same time as her previous am nap). I then did awake to sleep at the 1hr mark and she started sleeping for 2hrs. Now her naps range from 1.45 to 2.30hrs.
During the transition process it's okay to put him down earlier.
I hope that helps, let me know if you have more questions and how it goes. Also the sticky at the top of this forum "2 to 1" has great tips on the first few pages.
PS: for a while i would give my LO a very short catnap at her old nap time, 20min and no more. It also helped to feed her a snack at that time and make her rest w/ a stroller walk or run and errand.