Drivers have been told to expect North Circular Road congestion and lane closures during Neasden Temple Diwali celebrations on Friday (October 20).
The A406 North Circular Road junction with Brentfield Road is expected to be the worst affected.
Neasden Temple (BAPS Shri Swaminarayan Mandir) in Brentfield Road is one of the largest Hindu temples outside of India and its Diwali celebrations attract thousands of people.
Friday's celebrations will include a fireworks display from 8.15pm to 8.45pm.
On Friday morning, TfL warned drivers to expect disruption on the roads surrounding the temple during the day's celebrations.
Keep up to date with the latest news in west London via the free getwestlondon app.
You can set up your app to see all the latest news and events from your area, plus receive push notifications for breaking news.