Tube services are currently severely affected following a signal failure.
There are severe delays on the entire Met line because of a failure at Harrow-on-the-Hill.
Services running via Chorleywood, Rickmansworth, Amersham, Northwood, and Pinner have been affected and passengers are advised to leave extra time.
Carousel buses is accepting Underground tickets on services 1/1A, 103 & 105 in the following areas: Amersham, Chesham, Chalfont & Latimer, Chorleywood, Rickmansworth & Watford.
London Buses, London Overground and Chiltern are accepting valid London Underground tickets via any reasonable route.
A TfL spokesperson said: “We apologise to Metropolitan line customers for the disruption to their journeys today. This was caused by a signal failure at Harrow-on-the-Hill Station. Our engineers are working as quickly as possible to restore a normal service.”
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