From the Journal of Commerce:

Despite watershed changes taking place in the shipping industry in 2016, the market share of containerized imports of East, West and Gulf Coast ports this year is set look a lot like it did during the second half of 2015, according to port and industry analysts.

The completion of the Panama Canal expansion project, which will allow larger, more efficient vessels to call at East Coast ports on all-water services from Asia will be offset by the arrival of ultra-large vessels on the West Coast.

More at the Journal of Commerce