This document summarizes presentations given on Day 3 and Day 4 of a conference about the Panama Canal. On Day 3, presentations were given about shipping and container operations in the canal, comparing costs and travel time of transiting the canal versus going around South America, and statistics on canal tolls and investments in expanding the canal. On Day 4, presentations described the design and construction of the new Atlantic locks of the canal expansion project, including concrete distribution, dredging works, dry excavation, and a train trip from Panama City to Colón.