Traders at the world’s biggest banks are swapping their plush city center offices to work from suburban outposts in New York and London, facing lengthy commutes as their employers attempt to reduce the disruption caused by coronavirus. Disaster recovery sites in Greenwich, Connecticut in the United States and Northolt in Britain are currently being tested by Goldman Sachs Group Inc ( GS.N ) and Barclays ( BARC.L ), with entire teams working in sales and trading already heading to the suburbs, several sources told Reuters. “This is happening as we speak. It’s a test disguised as a real move to prevent contagion,” said a source familiar with the matter, speaking on condition of anonymity as the plans are confidential. […]