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Wsdot Toll Rates API (1.0.0)

Download OpenAPI specification:

Wsdot Toll Rates API - Washington State Department of Transportation APIs

toll-rates

Current toll rates for high occupancy vehicle (HOV) toll lanes statewide.

List current toll rates for all HOV toll lanes statewide.

Responses

Request samples 

import { fetchTollRates } from 'ws-dottie/wsdot-toll-rates/core';

const data = await fetchTollRates({
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

Content type
application/json

Example of a successful response from the API (showing first item of 84 total)

[
  • {
    }
]

Get historical toll rates for a specified date range.

Responses

Request samples 

import { fetchTripRatesByDate } from 'ws-dottie/wsdot-toll-rates/core';

const data = await fetchTripRatesByDate({
  params: {
    "FromDate": "2025-11-21",
    "ToDate": "2025-11-22"
  },
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

Content type
application/json

Example of a successful response from the API (showing first item of 14 total)

[
  • {
    }
]

Get toll rates for a specific version number.

Responses

Request samples 

import { fetchTripRatesByVersion } from 'ws-dottie/wsdot-toll-rates/core';

const data = await fetchTripRatesByVersion({
  params: {
    "Version": 352417
  },
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

Content type
application/json

Example of a successful response from the API

{
  • "LastUpdated": "0001-01-01T08:00:00.000Z",
  • "Trips": null,
  • "Version": 0
}

toll-trip-info

Trip route information for HOV toll lanes including locations, mileposts, and geometry.

List trip information for all toll trips statewide.

Responses

Request samples 

import { fetchTollTripInfo } from 'ws-dottie/wsdot-toll-rates/core';

const data = await fetchTollTripInfo({
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

Content type
application/json

Example of a successful response from the API (showing first item of 32 total)

[
  • {
    }
]

toll-trip-rates

Comprehensive toll rate data for all trips including pricing, messages, and version tracking.

Get current toll rates for all trips.

Responses

Request samples 

import { fetchTollTripRates } from 'ws-dottie/wsdot-toll-rates/core';

const data = await fetchTollTripRates({
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

Content type
application/json

Example of a successful response from the API

{
  • "LastUpdated": "2025-11-15T17:36:30.000Z",
  • "Trips": [
    ],
  • "Version": 375654
}

toll-trip-version

Version and timestamp information for toll trip data.

Get current version and timestamp for toll trip data.

Responses

Request samples 

import { fetchTollTripVersion } from 'ws-dottie/wsdot-toll-rates/core';

const data = await fetchTollTripVersion({
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

Content type
application/json

Example of a successful response from the API

{
  • "TimeStamp": "2025-11-15T17:36:30.000Z",
  • "Version": 375654
}