Police said they had been investigating acts of malicious damage and graffiti on public transportation infrastructure in the Wollongong area for a number of months.

On April 4, police executed a search warrant at a home on Mount Keira Road, Mount Keira, and allegedly located cannabis and graffiti paraphernalia.

On Friday, a 24-year-old man attended Wollongong Police Station in relation to police inquiries.

The man will appear in Wollongong Local Court on May 27.