SR 99 Tolling

SR 99 Tunnel Project

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SR 99 Tunnel Toll Rates

The SR 99 tunnel is open and toll-free. Tolling is expected to begin late summer.

Toll rates will change based on time of day, with lower toll rates on nights and weekends. Tolls are collected in both directions as you exit the tunnel.  Drivers without a Good To Go! account pay an extra $2 per toll. Rates are for 2 axle vehicles (including motorcycles). 

Monday through Friday

Good To Go! Pass

Pay By Mail

6 a.m. to 7 a.m.

$1.25

$3.25

7 a.m. to 9 a.m.

$1.50

$3.50

9 a.m. to 3 p.m.

$1.25

$3.25

3 p.m. to 6 p.m.

$2.25

$4.25

6 p.m. to 11 p.m.

$1.25

$3.25

11 p.m. to 6 a.m.

$1.00

$3.00

 

Weekends

Good To Go! Pass

Pay By Mail

All day

$1.00

$3.00

The Pay By Plate toll rate is the Good To Go! Pass toll rate plus a $0.25 photo enforced fee. 
Weekend rates will be assessed for the following holidays: New Years Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day. 

Large trucks and trailers

Vehicles with more than two axles pay a higher toll rate based on the number of axles.

Exemptions

Certain vehicles can travel toll-free if they meet the specific requirements outlined below. A Good To Go! account and pass is required in order to drive for free. Please contact Good To Go! customer service for more information.

  • Buses: Public transit and school buses drive for free at all times. Some privately owned buses which serve the public, students, or employees may also drive for free.
  • Vanpools: Vanpools always drive for free on all toll roads. Individual drivers do not need to do anything to claim an exemption, this is taken care of by the transit agency.
  • Emergency vehicles: Emergency vehicles and incident response vehicles can drive for free when they are on-duty or operating in an official capacity. 

Toll rate setting and process

The Washington State Transportation Commission (WSTC) works with WSDOT and the public to establish toll rates for all highways and bridges in Washington State. The WSTC reviews traffic and revenue each year to determine whether new toll rates are needed to cover operational costs and debt payments. This review process starts in the fall and, if new rates are adopted, they are in effect the following July. Learn more about toll rate setting process .

Related information

SR 520 Bridge toll rates
Tacoma Narrows Bridge toll rates 
SR 167 HOT Lanes toll rates 
I-405 express toll lanes toll rates