Thousands of commuters are expected to be affected this morning as workers from the Tyne and Wear Metro go on strike.
Talks between RMT Union and Metro operators DBTW broke down on Monday, resulting in strike action today and June 21.
The strike is also expected to affect around 20,000 people travelling to see Coldplay perform at the Stadium of Light this evening.
Thirty extra buses have been put into service to ease demand on other modes of public transport.
Fans of the band Coldplay travelled to Sunderland despite Metro strikes and rain.
Coldplay fans were reliant on extra bus services to take them home from a concert last night because of strike action on the Metro.
The Tyne and Wear Metro is running again today after yesterday's strikes. It was timed to coincide with the Coldplay concert in Sunderland.