Opinion | Liz Walter, of Mill Road 4 People campaign group, shares her view on the proposed traffic order that would close Mill Road bridge to most private motor vehicles, What do you do with a problem like Mill Road? Newspaper cuttings and political leaflets going back more than 50 years testify both to residents’ unhappiness with high traffic levels and to our politicians’ woeful lack of action in tackling them. Over the decades, more and more vehicles have been piling up and down our residential and shopping street, reaching levels of around 14,000 vehicles a day, according to council traff…