The Mayor's proposals have been given an enthusiastic reception by many cyclists and cyling groups on Twitter.
Cyclists in the City described them as "stonking plans".
Being bombarded with feedback on Boris cycling announcement. People in general super impressed http://t.co/tz4jhi6Par Bring it on!
LCC CEO tells Gilligan vision is groundbreaking and vindicates LCC supporters . more funding required in later years
This is fantastic news. Possibly not all the way to cycling nirvana and a way off... http://t.co/TGXbXs85tD
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The creature was spotted in Hampstead Heath, the London Underground and the South Bank.
The problems appear to have been caused by a power supply problem in Queen's Park in north west London, which has affected signalling.
Cloudy conditions continuing overnight, with some patchy outbreaks of rain.