(Yesterday, 2:56 pm)MurdnunoC wrote Before Oct '86:

X11: Newcastle - Consett via Rowlands Gill (Later altered to operate via Burnopfield and Dipton)
X16/17 Newcastle - Redcar (Irregular services - one went via Beamish and Durham, whilst the other went via Billingham)
X20: Newcastle - Bishop Auckland via Durham (This may have went to Crook at some point prior or after instead of Bishop Auckland)
X27: Newcastle - Hutton Henry via Shotton and Wingate (OK Travel)
X40: Newcastle - Blackhall Mill via Gateshead, Rowlands Gill and Chopwell
X41: Newcastle - Clara Vale via Gateshead, Blaydon and Ryton
X42: Newcastle - High Spen via Gateshead, Blaydon, and Crawcrook
X51/52: Newcastle - Whickham *Fellside Park) via A1 and Dunston Bank
X55: Newcastle - Hartlepool via Peterlee (Direct to Peterlee)
X64: Newcastle - Low Prudhoe
X86: Washington - Sunderland (Became the 186  - more or less - without the limited stop section between Concord and Sunderland)
X97/98: Gateshead - Whickham Circular (Later extended to Newcastle Worswick Street - current 301 route but excluding Fellside Park)

I have a few questions.
1. Did the ANE X46 run to newcastle in this period. 
2. When did GNE's X50 start up.
3. Did the Tyne Valley Peak Extras to Stockfield run then (think it was the X66). 
4. Would any of the services that no longer exist be useful in 2025.