LondonTfL
U4

TfL U4 bus route

Hayes, Prologis Pk - Barra Hall Circus - Hillingdon Hosp - Kingston Ln - Uxbridge

TfL U4 bus stop list and timetables

The London U4 bus serves 37 bus stops in London departing from ->E | Prologis Park and ending at D | Belmont Road. Scroll down to see upcoming bus U4 timetables at each stop. You can also see connecting lines for the bus U4 route at each stop, so you can understand where and when to transfer. The full TfL U4 timetable with live bus arrivals is available in the Transit app.

TfL Hayes, Prologis Pk - Barra Hall Circus - Hillingdon Hosp - Kingston Ln - Uxbridge map

TfL U4 bus route map

The TfL U4 bus route map is shown above. The route map shows you an overview of all the stops served by the U4 bus to help you plan your journey on TfL. Opening the Transit 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 live vehicle locations in the app so you know when the U4 bus is approaching your stop.

See the detailed route map

TfL U4 bus Status Alerts

Open the Transit app to see more information about any active disruptions that may impact the bus U4 timetable, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The app also allows you to subscribe to receive notifications for any status alert issued by TfL so that you can plan your trip around any active or future disruptions.

See all alerts

TfL U4 bus Service Frequency

The next U4 bus leaves ->E | Prologis Park at 9:10 AM, and arrives at D | Belmont Road at 9:51 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

See all departures

TfL U4 bus On-Time Performance

Want to know whether the TfL U4 bus arrives on time? Open the Transit app and view user generated on-time performance reports for the U4 bus. You can also contribute your own reports on whether your trip arrived on time, late or early. As these on-time performance stats are user reported, they may differ from official TfL metrics.

See all on-time perfomance details

TfL U4 bus FAQ

Other TfL line maps and timetables

Other transit modes in London

Never miss the bus again. Download Transit.

The Transit App