Register today for the 2022 Green Transporation Summit & Expo (August 16-18, 2022)


  • Full admission includes access to all sessions including Accelerate H2 workshop, as well as meals, receptions, networking dinners, and the Ride & Drive.

  • Business casual attire is recommended for conference attendees.

  • Need justification for attending the Summit? Utilize this pre-made Appeal Letter to Supervisor.

  • If you have any registration questions please call TBD or email events@gtsummitexpo.com

  • If you have any questions regarding sponsorship, exhibitor space, or partnerships email info@gtsummitexpo.com. Additionally, you can visit our sponsor page here.

  • For information on hotel blocks, venues, and other logistical information Please click here.

  • Volunteering: The Green Transportation Summit & Expo is looking for volunteers to assist with registration, room monitor duties, mask monitoring, and other tasks. In exchange, volunteers receive a heavily discounted rate for the conference. If you would like to apply to volunteer please click here.

  • To access our promo guide please click here.

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1538 Commerce Street, Tacoma WA 98402

The Marriott Tacoma Downtown is the preferred hotel of the Green Transportation Summit & Expo. The Marriott offers modern rooms, parking, onsite dining, and is next door to the Greater Tacoma Convention Center.


There is a special room rate for GTSE attendees but act fast before they're gone. 

Also, check out the nearby Hotel Murano just one block away, the Marriott Suites across the street, the Holiday Inn around the block, and others. 

*Government room rates starting at $126/night

Pay by Check

  • Please make all checks payable to Columbia-Willamette Clean Cities Coalition, Inc.

    • Reference GTSE ​