If you are driving in the outback, be prepared for anything. Some roads have little traffic, so there may be a substantial amount of time before anyone will pass should you break down. There are few towns and petrol stations etc, so motorists need to make sure that they carry adequate and surplus amounts of food, water and fuel. The interior of Australia is a true desert, so if your vehicle has no air conditioning, you could suffer from common day time temperatures of 45°C (113°F) and past 50°C (122°F) on really hot days. Night time temperatures can drop to freezing. Even if you are travelling on well travelled outback roads, a small diversion of the main road to see an attraction may see traffic volumes reduce significantly.
Depending upon the estimated time of travel and the remoteness of the roads, it is wise to take at least 10 litres of drinking water per person per day of travel, and an additional 3-5 days of extra drinking water per person, in case of breakdown. Do not have all of your water in one container at any time. Shade material and very thick warm blankets are also important survival tools. A box of matches or cigarette lighter should always be carried when intending to travel into isolated areas. A fire can provide warmth and can be very helpful in attracting attention if lost or stranded.
Do not expect your mobile (cell) phone to work if you are in the outback. Large areas of the country do not have service. If you really go to the back of beyond hire a satellite phone, or a PLB (distress radiobeacon.)
Outback roads vary in quality and type. A freshly graded and wide gravel road can make for relatively easy driving. The same road several months later with rutting, corrugations and washed out creek crossings can be a nightmare for a 2-wheel-drive vehicle. The road reports will usually mention where there is rutting, corrugation, and washouts. Rutting is where the wheels of vehicles have worn away the road surface, meaning than low clearance vehicles can hit the bottom of the cars on the central raised section of the road. Corrugation is common on gravel roads that aren't freshly graded. Washouts occur when creek crossings see water flows since the road was last graded. The road surface is replaced by pebbles, sand and is uneven for the duration of the creek bed. Some outback roads are gravel and graded regularly. Others are unimproved dirt roads, where just a grader has been through, and the road base can be sand. It can be very difficult to tell the difference just by looking at a map. Some roads require a heavy duty 4wd (four-wheel-drive) vehicle for safe passage. One that is especially prepared for the trip with suitable equipment depending on the length, isolation, and roughness of the track. Advanced planning is required for such trips, you cannot just hire a passenger sedan and go. An SUV or soft road 4wd vehicle is not always suitable for roads marked as requiring a 4wd. Some outback road conditions may seriously damage anything other than a highly robust heavy duty vehicle to the extent it may become un-drivable, the occupants may then be exposed to some considerable inconvenience and risk.
Temperatures can be extremely hot during the day, and can drop drastically once night falls. Always go to the local police station when you are going off the sealed (paved) highway, and tell them where you are going and how long you expect to take. This will help them to look for you if you are stranded. Never ever leave your car when it breaks down in the middle of nowhere. In case of a long wait, it gives you shelter and it is a lot easier to spot a vehicle than a person walking in the bush. Also, a person uses about four times as much water when walking, and Australia is a dry country.
Beware of potholes and corrugations on gravel roads. Potholes are not always visible on sandy roads or those with a lot of bulldust. The road surface might seem quite even, but hidden potholes hit with sufficient speed can overturn a car. Corrugations are wavelike formations that form on a road surface when enough cars have been driven over it. At low speeds the car will be shaken to a degree that's almost unbearable. At higher speeds there is a risk of losing control of the vehicles steering and direction. In most cases, a speed of 50-60 km/h is a happy medium; not too slow and not too fast. Do not try to swerve around lizards or other small creatures as the car is likely to become very un-stable with a high chance of crashing.
Dust can also be a problem on unpaved roads, and heavy vehicles travelling at high speed often leave a trail of dust and small stones behind them, severely impairing visibility in vehicles behind them. As a precaution, do not tailgate. The significantly reduced visibility in dust storms caused by vehicles in front can have deadly consequences and any stones thrown up will become high speed projectiles.
Some two-way paved roads have only one lane paved, right down the middle. When approaching another car both of you are expected to move left off the bitumen onto the dirt at the side of the road, pass, and then move back onto the black. Be wary immediately after passing, as the other car will have stirred up a huge dust cloud which will lower visibility for several seconds.
Bulldust is a fine talcum powder-like dust that is very common on outback Australian tracks. Patches of bulldust look like smooth hard patches but in fact it usually is a fine covering of dust over a deep hole. Driving through bulldust at speed is very dangerous and must be avoided. It can cause damage if sucked into engines too, so in very dusty areas you should have a filter on your air intake and check it regularly.
Pay particular attention to the weather forecasts in outback areas and be prepared to stay put for a while if the weather sets in. Unsealed outback roads, especially, can be closed with little notice in the wet, isolating communities, at any time of year. Creek crossings are very common on outback roads, with dry creek beds. These creeks rise quickly after rain and can become impassable for several days. In the the rain bulldust turns into a clay, which fills your wheel rims and can bring a two-wheel drive or a motorcycle to a grinding halt. Scraping out the bulldust and a bit of a push can sometimes get you on your way again, but it can be very tough going.
Respect road closures, even if the road or track appears traffic-able. The road may have been closed due to being damaged or impassable much further down the road. I you proceed you may end up having to turn back or become stranded at a remote location. Of course if you should experience difficulties then the chances of anyone passing by and rendering assistance are somewhat reduced if the road has been closed. Just find as comfortable a place as possible and wait for the conditions to improve and for the road to re-open, or seek an alternative route if available. Roads are sometimes closed to prevent them becoming seriously damaged by vehicles transiting them when the surface is too soft or slippery after rain. Do not cause damage to a road by continuing your journey and transiting a road or track when it is has been closed, especially if your vehicles wheels are leaving furrows or ruts. No one will be impressed that you made it through, rather you may attract the wrath and considerable disdain of other road users and possibly the local authorities for cutting up the road whilst it was too soft for traffic. Many roads and tracks in the outback are public thoroughfares passing over private property, parks, reserves or leasehold pastoral land, you may be asked to contribute to the costs of grading or repairing the road if you damage it due to reckless behaviour.
If you encounter a gate on a public road or thoroughfare in the outback it may have a sign on it (or nearby) advising of the roads entrance conditions and gate closure requirements. The Dingo Fence or Dog Fence is a notable example of such formal gating. This fence is one of the longest structures in the world and is the world's longest fence. It stretches 5,614 km (3,488 mi) from Jimbour on the Darling Downs near Dalby in Queensland through thousands of kilometres of inland Australia finally ending west of Eyre peninsula on cliffs of the Nullarbor Plain near Nundroo 160 kilometres west of Ceduna and 347 kilometres east of the South Australian-West Australian border. Any gate on this fence must be closed at all times other than when a vehicle is actually passing through the gate. Other gates range from very formal solid constructions down to humble bush gates using many different methods of closure. The rule with these gates is to always leave it as you found it. If it is open leave it open, if it is closed then you must close it again and ensure that it is done properly. Pay very careful attention when you first open the gate to ensure that you fully understand how to close it again. If you are travelling close behind another vehicle they may open the gate and then drive on, leaving you to close the gate. Pay careful attention to any such situation to ensure there is no confusion as to the status of the gate upon arrival (open or shut) and who is closing it, do not just drive off unless you can see the gate is being properly managed by others, traditionally the onus is upon the last one through to close the gate, however if you opened it you still have the ultimate responsibility to ensure that it is left as you found it including being correctly fastened. Heavy grazing stock losses or intrusion of feral animals may arise from incorrect gate management by travellers. In some cases penalties may be applied for not following correct procedures where closure is mandated.
Driving hazards: a semi trailer and road victim
The Most Frequently Asked Travel Questions about Driving in Australia
Where To Stay & Best Hotels in Driving in Australia - updated Apr 2024
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Driving in Australia Travel Guide from Wikitravel. Many thanks to all Wikitravel contributors. Text is available under Creative Commons Attribution-ShareAlike 3.0, images are available under various licenses, see each image for details.
