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King County Metro 40 bus

Northgte-Ballard-Fremont-Westlake-Dtwn

Trips every 11 min77% on time

King County Metro 40 bus Stop List and Next Departures

The King County Metro 40 - Northgte-Ballard-Fremont-Westlake-Dtwn bus serves 55 bus stops in the Seattle area departing from Northgate Station / Bay 4 and ending at 3rd Ave S / S Main St. Scroll down to see upcoming 40 bus times at each stop and the next scheduled 40 bus times will be displayed. The full 40 bus schedule as well as real-time departures can be found in the Transit app.

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Stops
Fri, Nov 6, 2026
King County Metro Northgte-Ballard-Fremont-Westlake-Dtwn map

King County Metro 40 bus route map

The King County Metro 40 - Northgte-Ballard-Fremont-Westlake-Dtwn bus route map is shown above. The route map shows you an overview of all the stops served by the King County Metro 40 bus to help you plan your trip on King County Metro. Opening the app will allow you to see more detailed information about the route on a map including stop specific alerts, such as stops that have been closed or moved. You can also see the location of vehicles in real-time on the route map so you know when the 40 bus is approaching your stop.

See the detailed route map

King County Metro 40 bus Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the 40 bus schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The Transit app also allows you to subscribe to receive notifications for any service alert issued by King County Metro so that you can plan your trip around any active or future disruptions.

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King County Metro 40 bus Service Frequency

Trips every 11 min

The next 40 bus leaves Northgate Station / Bay 4 at 7:46 AM, and arrives at 3rd Ave S / S Main St at 8:56 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

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King County Metro 40 bus On-Time Performance

77% on time

77% of riders report that the King County Metro 40 bus arrived on time on their previous trip. In the past 30 days, 189 riders reported on the on-time performance of the 40 bus. Compared to other King County Metro lines, the 40 bus is ranked 24 out of 132 King County Metro lines. These on-time performance stats are user-reported and may differ from official King County Metro metrics. See more details about on time, late or early departure reports for the 40 by opening the Transit app.

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King County Metro 40 bus FAQ

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