Disruption and diversions for London bus routes. The latest information direct from TfL for all London bus routes. Route information updated every 4 minutes.
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Bus Route 521 Disruption
Reason for disruption: PlannedWork
GRACECHURCH STREET / CANNON STREET & KING WILLIAM STREET, EC2: until 1800 Friday 23 March, routes 17 521 N21 & N199 eastbound are diverted due to a gas escape at Cannon Street. Buses towards Blackwell are diverting, Cannon Street Station stop MB is not served, please use previous or next stop.
Additional Bus Route Information
Valid from: Mon 12th Mar 2018, 9:40AM UTC
Valid to: Fri 23rd Mar 2018, 6:00PM UTC
Bus route 521 data supplied by TfL and is as accurate as possible. Please visit the TfL website for more information regarding London Transport issues.