SR 509 and SR 167 Expressways

Attention: The WSTC’s Online Open House for Puget Sound Gateway Toll- Rate Setting has been closed. Read up-to-date information on this process

The WSTC is considering different options for tolling the SR 509 and SR 167 Expressways.

Tolling options

SR 509 Expressway1 SR 167 Expressway1 3+ Axle Vehicle Toll Rates2 Toll Escalation3 Low-Income Discount
$1.20 to $2.40 East of I-5
$1.20 to $3.00

West of I-5
$1 at all times of the day

 For both facilities, either:

  • A multiplier of the 2-axle toll rate
  • Same toll rates as 2-axle vehicles
 For both facilities, 2.15% annual toll rate increases, starting July 1, 2030 Either:

  • A 50% discount for qualifying households on the SR 509 Expressway4
  • A system-wide low-income tolling discount program

Additional information about the different tolling options:

    1. Toll rates would vary by time of day and direction of travel to support traffic management. An additional $2 would be charged for drivers without a Good To Go! account. Rates are for vehicles with two axles such as passenger vehicles, delivery vans, and pick-up trucks.

A graph showing the possible toll rates at each hour of the day, and it ranges from $1.20 to $2.40. The rates are higher in the morning, corresponding with the rush hour

A graph showing the possible toll rates at each hour of the day, it ranges from $1.20 to $2.40. The rates are higher in the afternoon, corresponding with the rush hour

A graph showing the possible toll rates at each hour of the day, it ranges from $1.20 to $3. The rates are higher in the afternoon, corresponding with the rush hour

A graph showing the possible toll rates at each hour of the day, and it ranges from $1.20 to $3. The rates are higher in the morning, corresponding with the rush hour

A graph showing the possible toll rates at each hour of the day, at all hours the toll is $1

      1. For both the SR 509 and SR 167 Expressway, if a per-axle multiplier is applied, vehicles with 3 or more axles would pay a toll rate that increases based on the number of the vehicle’s axles. Vehicles with 3 or more axles include semi-trucks, vehicles towing a trailer, and large buses.

Potential Toll Rates for Multi-Axle Vehicles
Base (Two-Axle) Vehicle Rate Three-Axle Vehicle Rate Four-Axle Vehicle Rate Five-Axle Vehicle Rate Six-Axle or More Vehicle Rate
$1.00 $1.50 $2.00 $2.50 $3.00
$1.20 $1.80 $2.40 $3.00 $3.60
$1.80 $2.70 $3.60 $4.50 $5.40
$2.10 $3.15 $4.20 $5.25 $6.30
$2.40 $3.60 $4.80 $6.00 $7.20
$3.00 $4.50 $6.00 $7.50 $9.00
      1. Toll escalation would be subject to annual WSTC review and approval.
      2. Low-income residents within about 1 mile of the SR 509 completion project corridor would be eligible for 50% discount on the SR 509 Expressway.
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