Commuters in London are facing lengthy delays due to travel disruption caused by strike action.
No trains are running on any London Underground lines due to the walkout by Aslef and the Rail, Maritime and Transport union (RMT) members – part of coordinated industrial action across the country.
Huge crowds of people were left queueing at stations including Tottenham Court Road in central London this morning.
And transport monitors say it has increased the number of traffic jams in the capital.
Journey times for drivers were significantly longer during the commute as a result.
Geolocation technology company TomTom said at 7am the average time it took to drive 10km (6.2 miles) in London was two minutes longer than normal at that time, at 15 minutes and 27 seconds.
It also said there were 387 traffic jams in the capital – stretching for a total of 406km (252.3 miles).
