The Curious Case of Those 3,400+ km to Darwin Signs in Ipswich

Surely you’ve noticed those distance to Darwin signs on the Warrego?

3,434 km to Darwin…

…That’s nice to know.

But have you ever wondered:

1. Why are we being told how far to Darwin… in Ipswich?
2. Does Darwin have distance to Ipswich signs?
3. How long the drive actually takes?

Let’s find out.

Watch: The First Darwin Sign on the Warrego

Who’s Driven Ipswich to Darwin?

The point of these signs is to reassure you.

To tell you you are in fact now on the Brisbane to Darwin National Highway. Which according to TMR ends in Darwin and starts on the Warrego Hwy, which starts in Ipswich just past the Riverview Interchange as you exit the Cunningham/Ipswich Motorway.

Yes, saying 3,400 km from Ipswich might be bizarre to you. But the point is to reassure motorists and truckies they are in fact on the correct National Highway to Darwin.

You can. Start here in Ipswich…

The Warrego officially begins at the Riverview Interchange.

That’s the spaghetti junction where the Ipswich Motorway, the Cunningham Highway and the Warrego all meet.

Take the Warrego exit and you’re now on it.

You see the first distance to Darwin sign pretty quickly. Just before the Bremer River Bridge.

…and end up here in Darwin

Keep driving.

Drive some more.

Don’t turn off.

About 3,434 km and 36 hours later you’re in Darwin.

Enjoy!

The Start of the Road Shows the End of the Road

This is the rule.

It comes from the Australian Standard. The document road planners and engineers follow when deciding what goes on a highway sign.

At the start of a National Highway, the signs name the road’s final primary destination.

It’s not just the Warrego.

Drive westbound on the Cunningham Highway around Ipswich and you’ll see distance to Sydney signed for the same reason.

Ipswich is the start of 2 National Highways.

Pretty cool!

So we get 2 long-distance signs to 2 state capitals.

Ipswich Has Multiple Entry Points to the Warrego = Multiple Reassurance Signs to Darwin

Here’s why there are 5 signs to Darwin and not one.

The signs are technically called G4-1 Reassurance Direction Signs.

The rule is simple: place one after every major intersection so drivers know what road they’ve just joined.

Through Ipswich, 6 major roads feed into the Warrego. TMR has placed 5 reassurance signs to cover them. Sometimes one sign does the job for two closely-spaced joins.

Past Ipswich. Past the Start of the National Highway. No More Darwin Reassurance Signs.

Once you’re west of Ipswich, you’re past the start of the National Highway according to the federal definition.

So no more primary destination reassurance signs are required.

You only see next main town distances. Toowoomba, Dalby, then Roma, etc.

The Brisbane to Darwin National Highway Changes Names 4 Times

The Brisbane to Darwin National Highway is one continuous road. But it changes names along the way.

You start on the Warrego, then it becomes the Landsborough near Morven, then the Barkly at Cloncurry, then the Stuart at Three Ways in the NT.

Same road.

4 names.

Federal road planners decided to designate the whole 3,400+ km as one corridor. They didn’t have to. They chose to.

Does Darwin Have 3,400+ km to Ipswich Signs?

Here’s the first distance sign leaving Darwin. It doesn’t appear until you are 35 km outside Darwin.

Nope.

Drive south out of Darwin on the Stuart Highway and the first distance sign doesn’t appear until you’re past the Arnhem Highway turnoff.

When it does appear, it points to Adelaide River, Katherine, and Alice Springs — 1,462 km away.

No Brisbane.

No Ipswich.

That’s because the Stuart’s identity heading south is the road to central Australia, not the road to Queensland.

So Have You Ever Driven to Darwin from Ipswich?

How was it?