
Changes are being introduced to the following services:
c2c
Chiltern Railways
CrossCountry
East Midlands trains
Greater Anglia/Stansted Express
Great Western Railway
Gatwick Express
London Northwestern Railway
Northern
ScotRail
Southeastern
South Western Railway
TfL Rail
Thameslink
Transport for Wales
West Midlands Railway
Early signs are that there is less disruption than last year, although some notorious bottlenecks have shown their weaknesses again, with Wimbledon being severely affected by a track failure earlier today; see full details of the latest state of play here.