In Peru, the Metropolitan Municipality of Lima is expected to approve in August 2013 a US$400 million underground viaduct project, including a 10km double-carriage way road and a 1.5km tunnel under the Cerro Centinela. The private initiative submitted by Spanish construction firm OHL will connect the La Molina and Miraflores districts. Once approved, the proposal will be tendered for 90 days, and should no other company bid for it, OHL will negotiate the contract and begin construction immediately. Work on