On 10 November 2011, the government announced in its 2012–16 Infrastructure and Capital Investment plan that the project to link the Red and Green lines, known as BXD, was to proceed.
在2011年11月10日，政府在其“2012-2016年基础设施与资本投资计划”中宣布了将绿线和红线轻轨电车连接的项目，继续称之为BXD线。