Here is full list of improved Express Services and Re-Introduction of Old/Current and New Links, I Used the NEB Bygone Era to recreate some of the routes on the list.
X1 - Easington Lane - Hetton-le-Hole - Houghton-le-Spring - Shiney Row - Washington Galleries - Springwell Village - Wrekenton - Gateshead - Newcastle - Every 30 Minutes
X2 - Sunderland - Hastings Hill - Waterview Park - Washington Galleries - Springwell - Wrekenton - Gateshead - Newcastle - Every 30 Minutes
X3 - Sunderland - Fulwell - Boldon - Heworth - Gateshead - Newcastle - Every 1 Hour
X4 - Seaham - Houghton le Spring - Fence Houses - Shiney Row - Washington Galleries - Heworth - Gateshead - Newcastle - Every 1 Hour
X5 - Newcastle - Gateshead - Wrekenton - Eighton Banks - Washington Galleries - Shiney Row - Houghton le Spring - Hetton le Hole - Easington Lane - Peterlee - Hordon - Harlepool - Every 1 Hour
X6 - Langley Park - Chester le Street - Washington Galleries - Shiney Row - Sunderland - Every 1 Hour
X7 - Sunderland - Peterlee - Middlesbrough - Every 1 Hour
X8 - Newcastle - Gateshead - Heworth - Washington - Houghton le Spring - Hetton le Hole - Easington Lane - Peterlee - Stockton - Middlesbrough - Every 1 Hour
X9 - Newcastle – Gateshead – Heworth – Peterlee – Billingham – Middlesbrough - Every 1 Hour
X10 - Newcastle - Gateshead - Heworth - Norton - Stockton - Middlesbrough - Every 1 Hour
X11 - Murton - New Seaham - Boldon - Gateshead - Newcastle - Every 1 Hour
X12 - Ryhope - Houghton le Spring - Doxford International - Boldon - Gateshead - Newcastle - Every 1 Hour
X13 - Tynemouth - North Shields - Wallsend - Byker - Newcastle Eldon Square - Central Station - Metrocentre - Every 1 Hour
X21 - Bishop Auckland - Spennymoor - Croxdale - Durham - Framwellgate Moor - Chester-le-Street - Gateshead - Newcastle - Every 30 Minutes
X25 - Langley Park - Witton Gilbert - Sacriston - Edmondsley - Waldridge Park - Chester-le-Street - Portobello - Wrekenton - Gateshead - Newcastle - Every 30 Minutes
X30 - Lanchester - Burnhope - Stanley - Shield Row - Sunniside - Lobley Hill - Gateshead - Newcastle - Every 1 Hour
X31 - Lanchester - Burnhope - Stanley - Shield Row - Sunniside - Lobley Hill - Gateshead - Newcastle - Every 1 Hour
X35 - Sunderland - Doxford International - Houghton-le-Spring - Hetton-le-Hole - Easington Lane - South Hetton - Easington Village - Horden - Blackhall - Peterlee - Hartlepool - Every 30 Minutes
X36 - Sunderland – Southwick – Castletown – Boldon - Heworth – Gateshead – Newcastle - Every 1 Hour
X39 - Newcastle City Centre - Cobalt Business Park - Every 1 Hour
X40 - Newcastle Great Park - Regent Centre - Gosforth - Newcastle City Centre - Every 20 Minutes
X43 - Stanley - MetroCentre - Every 1 Hour
X46 - Crook – Willington – Brancepeth – Meadowfield – Langley Moor – Durham - Every 1 Hour
X50 - Metrocentre Coach Park - Newcastle Barrack Road - Matchdays Onley
X66 - Gateshead - Metrocentre - Every Few Minutes
X70 - Consett - Leadgate - Dipton - Burnopfield - Sunniside - Lobley Hill - Gateshead - Newcastle - Every 1 Hour
X71 - Consett - Leadgate - Dipton - Burnopfield - Sunniside - Lobley Hill - Gateshead - Newcastle - Every 1 Hour
X78 - Stanley - Consett - Derwentside College - Peak Times Only
X88 - Metrocentre Interchange - Washington Galleries - Concord Bus Station - Every 1 Hour on Saturday/Sundays Only
RE: Go North East Service Suggestions