The man accused of transporting pipe bombs along the Sturt Highway pled guilty and did not apply for bail at a recent court appearance.

33-year-old Timacoy Jason Williams remains in custody after pleading guilty to all charges at his October 4 appearance at Griffith Local Court.

Appearing via video link, Williams faced two charges of possess explosive device in public place, two charges of prohibited drug and one charge of custody of knife in public place.