Reports of one lane blocked due to accident, two vehicles involved on A19 Northbound between A1046 Haverton Hill Road (Portrack Interchange) and A139.
Callers report lane two (of two) is blocked towards Peterlee.
There are also further reports of a broken down vehicle at the A689.
More top news
Legal highs were banned by the Psychoactive Substances Act brought in in May. Police confiscated packets of substances from two addresses.
Nutmeg was taken in as a five-year-old stray 26 years ago - and is still going strong despite recent health issues
Highways England has said it aim to have Northbound A1 reopened by 6am Wednesday after a large sinkhole formed overnight.