Essential Road Signs You Must Know in the Northern Territory

Traffic road signs are essential for maintaining effective traffic flow and safety. In Australia’s Northern Territory, with vast landscapes and diverse road conditions, a clear knowledge of essential road signs is imperative to avoid accidents and safeguard drivers and road users. It is also important from the regulatory point of view. 

Road signs are intended to successfully manage traffic at highways and intersections and control vehicle movements in specific areas. Stressing the value of following traffic signals is essential for encouraging safe driving practices, avoiding mishaps, and protecting drivers and pedestrians to commute safely and conveniently.

Road Signs in the Northern Territory

Road signs are integral to a systematic traffic management system that gives you the necessary information to drive safely and alert you about potential risks. These signs serve various purposes: informing about the state of roads, making you cautious to avoid hazards ahead, and helping you follow the regulations applicable to that region. Learn more about the meaning of various traffic signs in the Northern Territory in the section below.


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Regulatory Signs

These types of road signs indicate the regulations applicable to that area that facilitate better traffic control. Drivers need to follow these signs and act accordingly otherwise, they could be fined or subject to other penalties.

Typically, regulatory signage is positioned at the beginning of the location where the regulation is applicable.  These are primarily rectangular with a white background and black text. However, the color or shape may vary occasionally for some specific signs.

Keep Left Sign

This sign instructs the driver to maintain the left side of this sign.

Keep Right Sign

This sign instructs drivers to drive to the right side of this sign.

One Way Sign

This sign instructs you to drive only in the direction shown by the arrow.

Two Way Sign

The sign indicates that the road allows two lanes of traffic moving in opposite directions.

 Right Turn Only

Driver must take a right turn at the intersection

Left turn Only

Driver has to take only a left turn from the intersection

Left Turn Permitted on Red Light

This sign informs drivers that they can turn left at the red light ahead after stopping at the position where the sign is displayed. While turning, drivers must allow traffic coming from the right.

No Entry

 It is one of the most vital road signs, indicating that you can’t drive beyond this point.

Roundabout Sign

This sign instructs drivers to give way to vehicles at the roundabout.

Stop Sign

Driver must stop the vehicle at the sign.

Give Way Sign

It means when turning at the intersection, you should give way to other vehicles.

Wrong Way Sign

This sign informs you that this route is wrong and you should drive back. 

Warning Signs

Warning road signs are meant to advise or alert drivers about the changes ahead and inform them about potentially dangerous situations on or near the road. Warning signs are typically diamond-shaped with black text on a yellow background.

Cross Sign

This is an indication of a crossroad ahead.

T Sign

This sign indicates that the road is going to end at a T junction ahead with only right and left movement. You need to give way to traffic before turning left or right.

Side on T sign

This refers to the T junction ahead when a road from the right meets the road you are driving.

Lane Change Sign

This sign tells the drivers that the road they are driving will change ahead to a two-lane road where traffic will be oncoming in two lanes.

Curve Sign

The road ahead will take a curve in the right direction.

Turn Sign

The road ahead will take a sharp turn in the right direction.

Hairpin Bend Sign

The road ahead will take a hairpin bend on the left side.

Bendy Arrow Sign

There is a winding road ahead.

Y Sign

The road ahead divides into two

Merging Sign

The divided roads merge into one road ahead.

Bottle Neck Sign

The road ahead becomes narrower.

Red Hexagon Sign

There is a stop sign ahead of the road.

Red Triangle Sign

There is a sign ahead to give way to traffic.

Walking Legs Sign

It indicates there is a pedestrian crossing ahead.

Bicycle Rider Sign

Drivers must be careful about bicycle riders on the road.

Truck Sign

This road sign makes drivers aware of the slow moving vehicles entering the traffic.

Walking People Sign

This sign means pedestrians might be crossing the road ahead.

Walking Children Sign

This sign alerts drivers about the children crossing the road ahead.

Hospital Sign

This sign asks drivers to be careful because there is a hospital ahead.

Swerving Car Sign

This is an indication that the road is wet and slippery so requires caution.

Car on a Hill Sign

This sign alerts drivers of a steep descent in the road ahead.

Narrow Bridge Sign

This is an indication of a narrow bridge coming on the driveway so the drivers must control the speed of the vehicle and stop to give way to vehicles coming from the other side.

Traffic Hazard Sign

This sign is used to inform people about certain emergency situations that lead to traffic congestion. The reasons may include fallen trees, oil spills or landslides.

Dip Sign

It indicates that the rod ahead has a sudden dip downwards and then up again

Bump Sign

It is a very common sign which alerts drivers about a sudden hump on the raod ahead.

Crest Sign

This sign informs you that you are approaching hilly areas and it is difficult to see the safe distance ahead to you must drive carefully.

Grid Sign

This is an indication of the presence of metal grids across the road ahead.

 Causeway Sign

This is a sign that informs you about a causeway built over a wet or low place that will come up the road.

Flashing Signal Sign

This sign is used to indicate a flashing signal on the railway tracks ahead.

Train Sign

As you notice this sign, you should be alert about railway crossings coming on the way.

Wildlife Sign

Drivers must be careful because the Kangaroos might be crossing the road.

  Cattle Crossing Sign

This sign makes drivers alert about the possible hazards being caused by the moving cattle stock crossing the road.

 Wig Wag Sign

As you see the wig wag sign with flashing lights, you should be prepared to stop at the crossing.

Variable Message Sign

This sign is put when there is a sudden closure of a road due to repairs, crashes, congestion or any other reasons. 

Road Work Signs

On roadways, you often encounter roadwork signs that are displayed at designated places to alert riders and drivers about the possible changes in the road conditions. It may require drivers to drive more carefully, slow down, or be ready to stop if required. These signs also depict the route that passes through or around locations where roadworks are being carried out. 

Roadwork signs are typically displayed rectangular in a shaped board, with a reflective background, a black border, and with a symbol that visually represents the situation ahead. The colors used are typically red, yellow and black.

Road Workers Sign

This sign with a person digging a road indicates that road workers are working ahead.

 Traffic Controller Sign

 The sign with a person holding a sign depicts a traffic controller waiting ahead so you must be ready to stop.

 Roadwork Sign

This sign indicates that you are approaching road works and need to slow down or stop.

 End Road Work Sign

This sign is put after the end of roadwork to inform drivers that road work has finished and they can resume the normal driving speed.

Stop and Slow Sign

These signs are usually held by traffic police at specified places so drivers must follow these instructions.

Stop Sign

This sign alerts drivers to slow down and stop due to roadworks happening.

No Overtake Sign

This display states that you need to overtake very cautiously being sure about safety because the road is not marked with separating lines.

Car and Rocks Sign

While driving, you must watch for loose rocks and stones that might lead to accidents.

 Closed Lanes

The lane you are driving will be closed ahead while the other lanes are through for movement.


Speed Limit Signs

The road signs indicating the speed limits are very important to ensure a smooth traffic flow and avoid accidents or collisions. Crossing the specified maximum speed limit is a legal offense and can result in fines and penalties.

 Regulatory Speed Signs

Regulatory speed limit signs are displayed on a white background with sped limits given within a red circle.

Local Traffic Zone Speed Limit

A speed limit is set for local traffic areas. In addition to increasing road safety for users, this lower speed limit also reduces noise pollution for nearby residents.

Road Work Speed Limit

This sign requires drivers to maintain speed within the specified limit as displayed near the road work areas, to avoid any sort of traffic problem or safety issues.

Shared Zone Sign

A shared traffic zone is shared by drivers, bicyclists, and pedestrians. The typical speed restriction in these areas is 10 km/h.

School Zone Speed Limit

A school zone speed limit sign restricts vehicles’ speed limits for the safety of school children, which is typically 40 km/hour. After the end of the school zone, you can increase speed up to 60 km/hour.


It is critical to comprehend and abide by the road signs applicable to Australia’s Northern Territory to facilitate efficient traffic movement and lower the chances of hazards and accidents. These traffic signs visually convey important information regarding road conditions, potential dangers, routes, and others. 

Complying with the instructions and advice given in the signs that denote speed restrictions, pedestrian movements, or particular road works is essential for the safety and convenience of road users. By taking a proactive approach of being aware of and following these road signs, drivers can make the road network in northern territory safer and more efficient.