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Port of Seattle Trucker Guide


Seattle and Tacoma Puget Sound Harbors become the Northwest Seaport Alliance

Welcome to the Port of Seattle Truckers' Guide. The ports of Seattle and Tacoma formed the Northwest Seaport Alliance (NWSA) to strengthen the Puget Sound gateway and to attract more marine cargo to the region.

For information about delivering or picking up cargo at Northwest Seaport Alliance container terminal facilities (North and South) and operations, please go to to the Trucks and Roadways page on the NWSA site.

Register with Clean Truck Program

New Drayage Truck Requirements and New Truck Scrapping Program (ScRAPS2)

for the Seattle Harbor

In January 2018 all drayage trucks accessing Seattle container terminals will be required to have engines that are model-year 2007 or newer, or that meet 2007 federal emission standards.

1) Currently all trucks entering Port of Seattle container terminals must meet the federal emission standards for engine-year 1994. For details and information on future model year requirements please visit:


2) All drivers are required to have a TWIC (Transportation Worker Identification Credential) card. You will be denied terminal access without one. To enroll for a TWIC card please visit:​

Or visit the local TWIC office in Seattle:


UES Enrollment Center
4123 4th Avenue S
Seattle, WA 98134-2309 | Map
Phone: 855.347.8371

3) All trucks must have an attached and active RFID tag to gain access to Terminals 5, 18, 30 and 46. Tags must be purchased on-line at They are mailed to the address you provide and arrive in five to 10 business days. Trucks without RFID tags will be denied access. For a step-by-step guide on how to order and activate a tag please visit

4) You will need a SCAC code (Standard Carrier Alpha Code). This a unique, two- to four-letter code used to identify transportation companies. To apply for the SCAC code, please visit:

5) Create a UIIA account or a separate interchange agreement with the chassis provider. The UIIA is a standard industry contract between Motor Carriers and Equipment providers. It covers liability and other issues related to the interchange on intermodal equipment. Please visit:

​Port of Seattle Contacts ​Other Important Contacts
Port of Seattle
2711 Alaskan Way
Seattle, WA ​98121

Port of Seattle Clean Truck Program
Hotline: 206.787.6888
US Customs and Border Protection
Seattle Field Office

Washington State Department of Transportation (WSDOT)
WSDOT Traffic Information
WSDOT Construction projects
Statewide 800-695-7623
In Seattle 206-368-4499
Automated Traffic System 511

Seattle Department of Transportation (SDOT)
SDOT Seattle Traffic Updates
SDOT Seattle Construction Updates


Cargo Pick-up and Drop-off Information
The following information is needed for delivery or pick-up of cargo from Port of Seattle terminals.
Picking Up Containers: Dropping Off Containers:
• Container number
• Steamship line
• Booking Number and Vessel/voyage number
• Commodity and Piece Count
• Port of Discharge (Seattle)
• Final Inland Destination
• Trucking Company
• Chassis number
• Tractor Tare Weight (lbs)
• Chassis Tare Weight (lbs)
• Seal Number
• Gen Set number (if reefer)
• Container Number
• Steamship line
• Booking Number/Vessel/Voyage Number
• Commodity
• Port of Loading (Seattle)
• Port of Discharge
• Trucking Company
• Chassis number
• Dock receipt and/or T&E
• Name of trucking company contracted to haul cargo

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Select the link below to get updates about the Northwest Seaport Alliance Facilities and Operations.