sentences:  After MDDEP conducted several environmental and technical impact investigations in early Summer of 2009, construction plans were halted because of the 2009 financial crisis.In April 2010, the city of Montreal gathered all previous commentary reviewed by BAPE and announced a different reconstruction project in which the railroad tracks and the main body of the A-20 are kept at their original location, the height of the interchange is maintained but replaced with better-lasting materials, and the former Turcot Yards serve as ground for a new urban redevelopment district with its own community aspect.The cost as set at least $5 billion, which is at least three times that of the original.