Police are appealing for witnesses after a tipper truck overturned, causing it to spill its load, on the A272.
The green HGV had been travelling westbound when it overturned, said police.
The driver – a 32-year-old man from Shoreham – sustained minor injuries in the incident.
A Sussex Police spokesman said: “The incident occurred on the single carriageway at Bolney about 12.10pm on Monday, December 9.
“No other vehicles were involved.
“Anyone who saw what happened, particularly anyone who captured the crash on dash cam, is asked to email firstname.lastname@example.org or call 101, quoting serial 529 of 09/12.”