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Wsdot Travel Times API (1.0.0)

Download OpenAPI specification:

Wsdot Travel Times API - Washington State Department of Transportation APIs

travel-time-routes

Current and average travel times for major Washington State highway routes.

List travel time data for all available routes.

Responses

Request samples 

import { fetchTravelTimes } from 'ws-dottie/wsdot-travel-times/core';

const data = await fetchTravelTimes({
  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 163 total)

[
  • {
    }
]

Get travel time data for a specific route by ID.

Responses

Request samples 

import { fetchTravelTimeById } from 'ws-dottie/wsdot-travel-times/core';

const data = await fetchTravelTimeById({
  params: {
    "TravelTimeID": 1
  },
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

Content type
application/json

Example of a successful response from the API

{
  • "AverageTime": 27,
  • "CurrentTime": 26,
  • "Description": "Everett to Downtown Seattle",
  • "Distance": 26.72,
  • "EndPoint": {
    },
  • "Name": "Everett-Seattle",
  • "StartPoint": {
    },
  • "TimeUpdated": "2025-11-15T17:40:00.000Z",
  • "TravelTimeID": 1
}