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- Hertfordshire Highways advised motorists to avoid the area near Bushey Arches at around 11.30am, following a crash in A411 Chalk Hill.
- It appeared to have occurred at the junction of Chalk Hill and B462 Aldenham Road.
- Emergency services were on the scene after Herts Police were called to the scene at 11.10am.
- A white Iveco Daily 70C18 with a trailer and a black Mercedes C180 had been involved in the smash, which has meant that the junction was blocked in multiple directions.
- There was heavy congestion all around the nearby Bushey Arches roundabout, according to Google Maps.
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