 An Environmental Impact Statement draft was presented in 2004 and the bypass route that follow the existing alignment was chosen in 2005.Construction of the expansion was scheduled to begin in 2015, but was delayed by a lawsuit by an environmental group which prevented delegation of federal funds until resolved, along with overall political issues involving the state transportation budget.A new environmental study was compiled, filed and approved in October 2018, and construction began on the conversion and expansion in April 2019, to continue into the fall of 2022.