I'm told the final stage of sectorisation in 1993 (eliminating the regions, allocating the full costs to the sectors) was not a success.
It was overtaken by the privatisation process so did not get any scrutiny.
Sectorisation also gave us 3 independent passenger sectors with different fares policies, rolling stock and operations.
It was the precursor of franchises which split things down another level.
So not very different in principle.
It might have worked well for inter-city, also maybe for NSE (with DOO), but it never got to grips with regional and its huge losses.
Franchises at least give us a close look at a specific service group every 7 years or so, for investment decisions.
BR just had its favourite projects and hardly bothered with the rest.
The public and local bodies hardly got a look in.
No delay repay, either...