National Highways mentioned in a press release: “Traffic is being diverted via local routes.
“If this closure impacts in your deliberate route, please permit further journey time. Plan forward, you might want to re-route and even delay your journey.
“Further information is available from National Highways by visiting our www.trafficengland.com website and travel apps, or via our regional X (Twitter) feed.
“Our 24/7 contact centre group can be obtainable to supply as much as the minute info on 0300 123 5000.”
https://www.express.co.uk/news/uk/2177370/a12-traffic-live-crash-delays-essex