Video PUBLISHED: 15:34 04 January 2019 Jason Noble Local democracy reporter An aerodynamic study of the Orwell Bridge is taking place Picture: ARCHANT Highways England has confirmed there are no additional measures set to be introduced this winter in the event of an Orwell Bridge closure – but more clarity has emerged on some of the key debates. James Jackson, emergency planning manager at Highways England, addressed questions from Ipswich Borough Council’s scrutiny committee on Thursday on its bridge closure protocol.In the autumn, Mr Jackson revealed that a detailed aerodynamic study was launched on October 1 by experts at City, University of London, which will determine whether the wind thresholds for a bridge closure can be changed, whether cars could be allowed to continue using the bridge in high winds, and whether wind breaks could be added.At Thursday’s meeting, Mr Jackson said the nine-month study would conclude over the summer, meaning no additional mitigation measures would be introduced this winter.But despite the news, fresh details have emerged on some of the other key questions, and just how realistic proposals of wind breaks or allowing cars to use the bridge are.Ipswich traffic grinds to a halt when the Orwell Bridge closes…