The Port of Tacoma’s terminals handled 617,076 container units through April. That compares with 458,477 in 2012.

Much of the credit for those bigger numbers goes to the Grand Alliance, a consortium of four shipping lines that moved to the Port of Tacoma from the Port of Seattle last July. The four container lines, NYK, OOCL, Hapag-Lloyd and Zim, share ships and capacity in the transPacific container trade.

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