Route 423
Heathrow Terminal 5 ↔ Hounslow
Roam Intelligence
LIVE›00 Monday 6th July until Friday 10th July 2026 ROUTES 81 423 will divert towards Hounslow only via Newport Road, Northern Perimeter Road and Nene Road due to bridge works. Bus stop 'Sipson Way (BC)' will not be served. Please allow extra time for journey.
Live Departures
No buses due right now
Every London bus is wheelchair-accessible with a low floor and ramp. Refreshes every 15s.
All Stops
Crowd Forecast
Forecast — based on rush hour patterns, local events and live status. Not a live count.
Popular Journeys
Heathrow Terminal 5 to Hounslow
Heathrow Terminal 5 → Hounslow
End to end — the full run of the route in one bus.
Heathrow Terminal 5 to Heathrow Terminal 5
Heathrow Terminal 5 → Heathrow Terminal 5
A one-seat ride to the route's main interchange.
Heathrow Terminal 5 to Hounslow
Heathrow Terminal 5 → Hounslow
Pick it up at the interchange and ride it to the end.
What's Nearby
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Service Alerts
BATH ROAD, TW6 - Nightly between 22:00 Monday 6th July until Friday 10th July 2026 ROUTES 81 423 will divert towards Hounslow only via Newport Road, Northern Perimeter Road and Nene Road due to bridge works. Bus stop 'Sipson Way (BC)' will not be served. Please allow extra time for journey.
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Departure reminders
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