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Jane Wakefield hears from the Â鶹ԼÅÄ’s South America correspondent Katy Watson in Sao Paulo about the traffic jams which make commutes so hard, from Rahul Tandon in Kolkata about why driving to work in India can be a day's work in itself, and from Regan Morris in traffic-clogged Los Angeles. Jane speaks to some of the people using new technology for transport solutions including Hyperloop’s Dirk Ahlborn, and to Sami Sahala from Helsinki, where driverless buses are already in circulation – apart from when it snows…

(Photo: A monorail travels above a busy street in downtown Kuala Lumpur, Credit: Getty Images)