Continent the size of contiguous US, population of a mid-sized country. Driving is easy in the populated SE, properly remote anywhere outback. Read before going anywhere away from the cities.
Basics
- Drive on the left; wheel on the right
- Speed limits: 50 in town, 100–110 highway, 130 on parts of the Stuart Hwy in NT
- km, litres
- Foreign licence valid 3 months. Bring an IDP if not in English
- 0.05 BAC. Random breath testing is common. Don’t drink and drive
Distances are bigger than they look
| From | To | km | Hours |
|---|---|---|---|
| Sydney | Melbourne | 880 | 10 |
| Melbourne | Adelaide (via GOR) | 1,000 | 12+ over 3+ days |
| Adelaide | Perth (via Nullarbor) | 2,700 | 30+ over 3–5 days |
| Perth | Broome | 2,240 | 24+ over 3 days |
| Darwin | Alice Springs | 1,500 | 16 / 2 days |
| Alice | Uluru | 450 | 5 |
| Darwin | Cairns | 2,800 | 30+ |
Plan more time than you think.
Wildlife — the actual #1 risk
Not snakes or sharks — kangaroos on the road. Hit one at 100 km/h and you wreck the car and yourself.
- Do not drive at dawn, dusk, or after dark outside cities
- If unavoidable: max 60–80 km/h
- Watch for kangaroos, wallabies, emus, wombats, feral camels, cows
- If something jumps out: brake straight, don’t swerve. Hitting is survivable; rolling isn’t
A bullbar on a rural rental is standard, not paranoid.
Road trains
Road trains — trucks up to 53.5m long, 200 tonnes. They cannot stop for you.
- Give way. Pull onto shoulder
- Overtake on long straights only, lots of room
- They throw rocks. Expect windshield chips
- On dirt: slow right down when they pass
Fuel
- Diesel common in rural areas, often cheaper
- 2–3x city prices on the Nullarbor / Kimberley
- Always fill up when you can. Never below half on remote stretches
- Some remote roadhouses close early or run out
Rentals
- Big firms: Hertz, Avis, Budget, Europcar, Thrifty (Apex = local budget)
- 4WD specialists: Britz, Apollo, Maui, Jucy
- Most standard rentals not insured for unsealed roads
- Gibb River Rd, Tanami, Mereenie Loop, parts of Cape York — require proper 4WD with 2 spares
- One-way fees can be significant (Melbourne → Adelaide → Perth)
- Check the spare and jack before you leave
Outback survival
Real, not theatre.
- Tell someone your route and ETA before going remote
- Water: 10L+/person/day
- If you break down: STAY WITH THE VEHICLE. It’s bigger, visible, has shade. Walking kills
- Comms: Telstra only outside towns. Rent a satellite messenger (Garmin inReach, ZOLEO) or PLB for remote drives
- First aid, sun protection, basic recovery gear if off-tarmac
- Drop tyre pressures for unsealed (~25 psi vs ~36)
Apps
- Hema Explorer — offline maps for the outback
- Google Maps — fine in cities
- Fuel Map — community fuel prices
- WikiCamps — campsites
- BoM — weather, cyclone tracking
- Telstra SIM — the only network with real outback coverage
State borders & quarantine
No passport checks, but biosecurity checkpoints (SA/WA, Vic/SA, NT/WA) confiscate fruit, veg, honey, plants.
When
- South: year-round
- Centre: April–October
- North: May–October only
- See when to go
Rules people forget
- Keep left, overtake right
- Roundabouts — give way clockwise
- Lights on in rain/dusk
- No phone touching while driving — hands-free only
- Cattle on the road in unfenced NT
- Wedge-tailed eagles on roadkill — slow down
Read this once, you’re fine. The drive across the continent is one of life’s great trips. Respect the distances.