An investigation has been launched after fire ripped through more than a dozen coaches at Shoreham Cement Works.
Six fire crews tackled the blaze which broke out at 2.30 this morning at the site in Steyning Road, Shoreham.
23 coaches were damaged by the flames with 19 of them completely destroyed.
Two cabins were also destroyed in the fire along with a large workshop building.
There were no reports of any injuries.
Crews remain at the scene, but the fire has been brought under control.