A broken down lorry is causing chaos for commuters.
Drivers are stuck in long queues around the Elstree Roundabout after a lorry broke down on the southbound carriageway of the A41 Edgware Way in Elstree, partially blocking it.
The M1 southbound exit at Junction 4 has been closed and there is also heavy congestion on the North Western Avenue to Elstree Hill South.
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