Replacement bus service running on Northern Rail between Seaham and Nunthorpe due to landslip at Hartlepool.
Trains are only running between Hexham and Seaham. Journeys extended by up to 45 minutes.
Northern Rail do not have an estimate for normal service.
More top news
Remain or Leave? The impact on business in the North East.
A dad from Sunderland who's won £1million on a scratchcard says he was concerned about how he was going to pay the bills
Another red kite has been found shot in North Yorkshire. Police are asking for help in the fight against persecution of the rare birds