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Boris Johnson today suggested that car-free Sundays could be introduced in central London after being "blown away" by the experience in Jakarta.

The London mayor took part in a mass cycle alongside the recently-inaugurated Indonesian President Joko Widodo on the latest stop of his six-day regional tour.

Every Sunday, several main streets of Jakarta are closed to all traffic from 6am, allowing tens of thousands of Indonesians to pour into the streets on bikes and on foot, with street stalls and music offering a carnival atmosphere.

After breakfast with the president, Mr Johnson said: "Wasn't that sensational? I have to admit I was blown away by the popularity of the car-free Sunday here in Jakarta.

"We have been thinking about it for ages - I don't think you are going to get the British people out of bed at six in the morning to do it quite like that but it is certainly food for thought.

"I will certainly be asking TfL to dust down those old ideas and let's have a look at them again.

"I think it would probably take time to bed in and it would take a few years before people got into the swing of coming out into the streets and making use of the space that a car-free Sunday provided. But it was very stimulating."

In a later interview with the BBC Radio 5 John Pienaar's Politics show, Mr Johnson said it would be important to look at the traffic implications and other logistics of such an event.

For the past two years, several miles of central London streets have been closed on a Saturday in August for the Freecycle event, a key event in cycling festival which also include the Ride London 100 mass participation and pro-cycling races.

Jakarta's event has been running for 16 years and become a weekly, rather than monthly, event when Mr Widodo was governor.