Alphanumeric Route Marker

Used in Victoria, SA, parts of Queensland, Tasmania and NSW.

In NSW many signs have coverplates hiding these numbers, but in some country areas, new signs have been installed without the coverplates.

Alternate National Route 

Rare these days, but some Alternate National Routes survive in ACT other states.

National Route

Denotes a road of national importance. Akin to the American US Route System (US66 for example).

National Route - Business Route

National Highway

National Highway

Alphanumeric National Highway

Metroad

Metroads are similar to ring roads. This sheild is used in NSW and Queensland.

State Route

This sheild denotes the state route number. Used until recently in all states, however, still in use in NSW, QLD, WA, NT and also in metropolitain areas of Melbourne.

NSW Freeway Sheild

This is an old New South Wales freeway marker. This sheild is no longer used, but examples do survive on the F6 Southern Freeway at Wollongong.

QLD Freeway Shield

This was once used in Queensland on their freeways. One still survives on Warrigal Rd at Eight Mile Plains (Brisbane).

VIC Freeway Shield

This is an old Victorian freeway marker. This sheild is no longer used.

Over Dimensional Route Sheild

Used in a number of states and territories, this route is designed for oversized vehicles to by-pass heavily trafficked roads or suburban areas. Usually colour coded.

Sydney Ring Road

ACT Tourist Route

In the ACT, tourist routes are coloured coded.

Tourist Route

Found in many parts of Australia, this sheild reminds the driver which tourist route they are driving along.