What do the bus shelters at Barking station, Seven Sisters Station, Wood Green, Ealing Town Hall and Bexleyheath Market Place all have in common? They are among the bus shelters that could deliver the most attention for brands in London. JCDecaux and Lumen Research have unveiled new ‘Attention! London Calling’ research which reveals the link between the time spent in a bus shelter and the amount of attention on a screen – with the headline finding that screens inside bus shelters generate an average 4.4 seconds of attention, ahead of many digital channels.