Campaigners are calling for the introduction of US-style "yellow school buses" in a bid to tackle congestion and air pollution during term time. <br /><br />London’s walking and cycling commissioner Will Norman said its a "big problem" in London.<br /><br />"On average there are about a quarter of a million car journeys in London based around the school run. A lot of them are based around school trips. <br /><br />"Getting people to shift those trips from using their car to walking, cycling or scooting to school is really important.<br /><br />"Our initiatives of over 500 school streets is helping with that, our initiatives working with over 1,000 schools across the city is enabling more kids to do this.<br /><br />"I would encourage every school to be having have an active travel plan."<br /><br />
