Probably best done at 3 am.
Yup ...
and with some training.
Talking of encounters with convoys; army, for the use of ...
When I was travelling from Coventry to Chippenham, by motorbike, for a weekend away from my fellow students (& the home football) I would often drive down late on Friday night - or at a quarter to sparrow's fart in the morning.
Anyway, for most of my route I would be blatting down the "Fosse Way" as it's mostly straight, apart from some short detours and roundabouts.
Well, I swooped around this roundabout, and began the long curve that bypasses a steep dip (there's a farm at the bottom) ...
To be brought up sharply by a squaddie.
"Road's Blocked"
"What by ? Can't I get the bike past ?"
"Not saying" - Torch shone over me & bike
"I'll ask" He trots off and words are said.
Someone with more rank comes up to me and looks at the bike, then his watch and a map - the required diversion was a long one ... So, I repeated my request.
"OK, Since you've asked nicely, take it carefully and follow me"
I then had to manoeuvre around the hacienda of a jack-knifed tank transporter, with a large tank under tarps (on it's way to Bovington, I found out) - A lot of swearing accompanied the attempted reversing, jacking & packing going on. The front of the transporter seemed to be jammed into the hedge bank at an uncomfortable angle.
There were some other vehicles parked up at the next junction a few miles down the route, to diverting North-bound traffic.
I was expected, and had no difficulty getting past, but was invited to stop for a chat & a brew as there was one almost ready ...
When I reversed my route late on Sunday, there was a bunch of lads reshaping and replanting the hedgebank.