Driver tell LA Harbor commissioners that they are unhappy with lack of progress since July protests.
Though they have not yet imposed them, most carriers have prefiled congestion surcharges with the Federal Maritime Commission.
Carriers are set to charge $1,000 per FEU, also poised to start charging on intermodal door deliveries this week.
The GAO said the Defense Department remains hamstrung by container management inefficiencies, which result in exuberant detention fees.
The Department of Transportation has secured a new air services agreement, which will be implemented in 2016.
Container carriers are announcing West Coast port congestion charges of $1,000 per FEU