Highway Patrol

First Issue 1992? (previously used SG plates)

State Outline base (same as 1981 passenger)
"HP" prefix
numbering began at HP1001

transition to flat/screenprinted serial late 2008

Booster plates used exclusively for Highway Patrol





State Transport Police

First Issue 2005?

State Outline base (same as 1981 passenger)
"STP" prefix
numbering began at STP1001