Police have closed both carriageways of the A66 close to Middlesbrough's Riverside Stadium after a two huge steel pipes fell off an HGV into the path of a second lorry.
It's thought the second HGV collided into the pipes which are 40 foot long and 4 foot in diameter. Nobody was hurt in the accident.
The second lorry was carrying a liquid but there has been no spillage. Officers were called just before 11.30. Cleveland Fire Brigade is at the scene.
Drivers have been warned the road will remain closed in both directions for at least four hours.
More top news
As the Queen and the Duke of Edinburgh celebrate 70 years together today, a Gateshead couple are also in their platinum anniversary year.
First estimates suggest that 240,000 people visited the fifth Lumiere festival in Durham
Thieves stole more than 100 model cars and about 20 model boats collected over a lifetime by a 79-year-old living in North Tyneside.