The industry groups expressed concern as reports emerge that Iran and Oman are in talks on future shipping arrangements for the strait that would include tolls on vessel.
Spot truckload rates dropped seasonally from week to week in July, but they remain elevated, with the highest rates and shipper spending on the West Coast, data shows.
The US-based carrier said momentum in the trans-Pacific market was strong during the second quarter and expects the trend to continue until October.