I think local is harder .... it is for me anyway I back up more in one night now than I did in a week otr. I also slept alot more when I was otr.

In many respects, local has better skills. They are backing into more docks than OTR, and dealing with all the local traffic everyday, not just when they're in town.

BUT.....

I've also seen local drivers taking far more chances around traffic than OTR. I've also seen them get into more accidents than OTR. Better skills, perhaps, but better drivers.... NOT!!!!!!!

I say OTR.
1. I'm OTR...and I have an enormous ego.
2. I back into the same docks...(reefer) with a rig 20' longer.
3. I drive the same roads as any local....PLUS.
4. I must brave TS showers.
8) :P