Metro chiefs have apologised this morning as more delays hit commuters.
Passengers are facing delays of 15 minutes between Airport and South Hylton; St James and South Shields; South Gosforth and Pelaw due to an earlier signal fault.
Tyne and Wear Metro are advising passengers allow extra time where possible.
On Twitter a Metro spokesman said: "We will get back on timetable asap and some services may be changed at short notice.
"We apologise for any inconvenience."