A busy tunnel is set to close for the weekend leading to possible delays.
The Fore Street Tunnel, in Edmonton will close between 10pm on Friday until 5am on Monday as part of ongoing refurbishments.
Congestion is expected on main roads such as A10 Great Cambridge Road, Angel Road and Fore Street.
People using the M25 can expect their journeys to take approximately 40 to 50 minutes longer with delays possibly reaching an hour on the North Circular Road.
All buses travelling through Edmonton and Tottenham are likely to be diverted as a result of the maintenance.
Transport for London, who are carrying out the works, expect the tunnel to close three more times between now and spring 2015.
The tunnel has closed once in the past year for the works.
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