If you encounter a dangerous pothole in Harrow, you should call 020 8736 6072 to report it directly, rather than using the online system. This ensures that immediate action can be taken for public safety.
For non-urgent reports, you can also report potholes online by marking their location on a map. However, dangerous conditions require quick reporting via phone. If you want to know more about reporting potholes online, you can find further details here.
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