A Nicaragua-spanning canal, set for groundbreaking by year end, has led ACP to do conceptual planning for a fourth lane across Panama. As a possible investment, Quijano says, "Panama could attend to additional demand by building a fourth set of locks at a fraction of the cost of what it would take to build a canal through Nicaragua. I think the return on investment is here in Panama and not somewhere else." Experts estimate the proposed 172-mile Nicaraguan canal would cost more than $50 billion. Quijano adds that there are other projects that would come before a fourth set of locks in Panama, however, such as "additional deepening and widening of our channels—and that will happen if the demand is there."