As people return to work and school, disruption is expected as train operators plan to resume strike action during the first week of the new year.
Commuters are being urged to use alternative modes of transport as more Metro delays and cancellations continue on day six of industrial action.
More from us
Did you know with a Digital Subscription to Sunderland Echo, you can get unlimited access to the website including our premium content, as well as benefiting from fewer ads, loyalty rewards and much more.