Delays of up to 30 minutes on Northern Rail between Newcastle and Middlesbrough, and between Newcastle and MetroCentre due to overhead line problems at Newcastle.
Disruption is expected until around 18:00.
Also affecting East Coast, CrossCountry and First TransPennine Express services.
More top news
Jason Maher admitted two counts of causing death by dangerous driving, causing serious injury by and driving while disqualified.
Good Morning Britain star Ben Shephard is taking on 210-mile challenge to raise money for the Children's Heart Unit Fund in Newcastle
Thousands of Flying Scotsman fans have flocked to the National Rail Museum in Shildon to see the famous steam engine