India, March 12 -- The Northern line Tube commuters have encountered severe delays due to tube failures today morning, March 12, 2026. Commuters were traveling to work. Currently, normal services have resumed with minor delays on the Bakerloo, Jubilee, and Piccadilly lines.Why Northern Line Tube Services Commuters Face Severe Delays Today? The severe delays on the Northern line on March 12, 2026, were mainly due to planned maintenance and technical issues. The Bank branch of the Northern line has been experiencing planned early closures from Camden Town to Kennington since January 12, 2026. This was due to essential track replacement work. The closures start at 22:00 hours. This has mainly impacted evening travelers. There was also a trac...