Aslef train strikes have hit the capital’s transport network for a second day in a row.
Fewer London operators are affected on Wednesday but the Heathrow Express and London Northwestern Railway are among them.
On top of this, several of the London operators which saw walkouts on Tuesday are still struggling with delays.
These include Southern, South Western Railway and Thameslink which are expecting late starts or running revised timetables.
Meanwhile a “nationwide issue” with Border Force e-gates that caused chaos at airports across the country into the early hours of Wednesday has been resolved, the Home Office has announced.
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Live updates
Hammersmith and City line no longer delayed
The Hammersmith and City line has returned to running a good service.
Hammersmith and City line delays now minor
There are currently minor delays due to an earlier faulty train at Farringdon.
Metropolitan line delays now minor
There are currently minor delays due to an earlier faulty train at Farringdon.
Metropolitan line delays now severe
There are currently severe delays between Aldgate and Baker Street due to an earlier faulty train at Farringdon.
Hammersmith and City line delays now severe
There are currently severe delays between Aldgate East and Baker Street due to an earlier faulty train at Farringdon - minor delays on the rest of the line due to train cancellations.
Severe delays to Circle line
There are currently severe delays between Aldgate and Baker Street due to an earlier faulty train at Farringdon - good service on the rest of the line.
Four miles of congestion on M25 over Vehicle on fire
Three out of four lanes are closed on the M25 anti-clockwise between J6 Godstone and J5 Chipstead due to a vehicle fire.
Delays are around 30 minutes, with about four miles of congestion.
London Overground now severely delayed - no longer suspended
The London Overground is severely delayed between Stratford and Richmond / Clapham Junction due to a faulty freight train at Brondesbury - good service on the rest of the line.
Disruption through Gospel Oak
A fault on a London Overground train at Brondesbury is causing disruption to services running through Gospel Oak.
As a result of this, trains between Clapham Junction / Richmond and Stratford may be cancelled. Trains between Gospel Oak and Barking Riverside may be cancelled or delayed by up to 25 minutes.
These delays are expected until at least 1pm.
TfL warns of serious delays on the A406 North Circular
We have already told you about how a crash has left two lanes closed and an eight-mile tailback on the A406 North Circular eastbound.
TfL has updated its website to say the delays are serious, and it has warned drivers to “approach with caution” and “expect long delays”.
Lanes one and two (of three) are still blocked by the collision.