The speed limit for ACT learner's permit holders is 80 km/h on all roads
In the Australian Capital Territory, a learner's permit holder must not drive faster than 80 km/h, regardless of the posted speed limit on the road you are driving. This applies everywhere — on suburban streets, rural highways, and motorways. The 80 km/h cap is a legal requirement, not a recommendation, and breaching it carries the same penalties as any other speed violation.
This speed restriction exists because learner's permit holders have not yet passed their driving test and are still building experience under supervision. The lower limit gives you and your supervising driver more time to react to hazards and reduces the severity of crashes if one occurs.
The restriction stays in place for the entire duration of your learner's permit, which is typically 12 months in the ACT. Once you pass your driving test and receive your provisional licence, the speed limit restriction changes — you will then be subject to the posted speed limits on each road, though provisional licence holders have their own separate restrictions on certain road types.
Key Takeaways
- You must not exceed 80 km/h at any time while holding an ACT learner's permit, even on roads with higher posted limits.
- This speed limit applies on all road types: residential streets, rural roads, and motorways.
- Driving faster than 80 km/h on a learner's permit is a traffic offence and can result in fines and demerit points.
- The 80 km/h limit remains in effect for the full 12-month learner's permit period until you pass your driving test.
- Your supervising driver is responsible for ensuring you comply with this limit and can face penalties if you do not.
Why the 80 km/h limit exists for learner's permit holders
The ACT road rules set a lower speed limit for learner's permit holders to reduce risk during the learning phase. At higher speeds, reaction time becomes critical — both yours and your supervising driver's. The 80 km/h limit gives you more time to identify hazards, make decisions, and respond safely.
Research on crash severity shows that the difference between 80 km/h and 100 km/h significantly affects injury outcomes in a collision. By keeping learner's permit holders at 80 km/h, the ACT aims to reduce the number and severity of crashes involving inexperienced drivers.
Your supervising driver shares responsibility for maintaining this speed limit. If you are caught exceeding 80 km/h, both you and the supervising driver may face penalties, which is why it is important that they actively monitor your speed throughout every drive.
What happens if you exceed 80 km/h on a learner's permit
Exceeding the 80 km/h speed limit while holding a learner's permit is treated as a traffic offence under ACT road law. The penalty depends on how far over the limit you were driving, but fines and demerit points are standard outcomes.
A speed violation on your learner's permit record can also affect your ability to progress to a provisional licence. Some driving schools and testing authorities take repeated or serious speed violations into account when assessing your readiness to take the driving test. Additionally, accumulating demerit points can lead to licence suspension or cancellation.
Your supervising driver may also receive penalties for failing to may support you complied with the speed limit. This shared responsibility means both of you need to be actively managing your speed on every trip.
How to stay within the 80 km/h limit in practice
The simplest approach is to set your mental target at 75 km/h, which gives you a small buffer below the legal limit and accounts for speedometer variation. Most modern cars have a speedometer that is reasonably accurate, but older vehicles can drift slightly, so staying a few kilometres below the limit is a practical safety margin.
Use road signs and traffic conditions to guide your speed, but remember that posted limits do not override your 80 km/h cap. On a road marked 100 km/h, you still drive at 80 km/h. On a road marked 60 km/h, you drive at 60 km/h because the posted limit is lower than your permit limit.
Your supervising driver should remind you if you are creeping above 80 km/h, especially on longer drives or motorways where it is straightforward to gradually increase speed without noticing. Regular communication between you and your supervising driver about speed helps build the habit of staying within limits.
Speed limits for different road types while on a learner's permit
| Road Type | Posted Limit | Your Learner's Permit Limit |
|---|---|---|
| Residential streets | 50 km/h | 50 km/h (posted limit is lower) |
| Rural roads | 100 km/h | 80 km/h (your permit limit applies) |
| Motorways | 100–110 km/h | 80 km/h (your permit limit applies) |
| School zones | 40 km/h (during hours) | 40 km/h (posted limit is lower) |
The rule is straightforward: you drive at whichever speed is lower — the posted limit for that road or your 80 km/h learner's permit limit. This means on residential streets and in school zones, you follow the posted limit because it is already below 80 km/h. On rural roads and motorways, your 80 km/h limit takes precedence.
Other restrictions that explore alongside the speed limit
The 80 km/h speed limit is one of several restrictions for ACT learner's permit holders. You must also display L-plates on the front and rear of the vehicle, have a supervising driver with a valid licence in the front passenger seat, and follow rules about the types of roads you can drive on.
Some roads — such as certain motorway sections — may be off-limits to learner's permit holders entirely, regardless of speed. Check the ACT road rules or ask your supervising driver before attempting any unfamiliar road type.
These restrictions work together to create a controlled learning environment. The speed limit is part of a broader framework designed to keep you and other road users safe while you build driving experience.
Frequently Asked Questions
Can I drive faster than 80 km/h if the posted speed limit is higher?
No. Your learner's permit speed limit of 80 km/h applies on all roads, regardless of the posted limit. Even on a motorway marked 110 km/h, you must not exceed 80 km/h. The posted limit does not override your permit restriction.
What if I accidentally go 85 km/h for a few seconds?
Minor, brief exceedances may not result in enforcement action, but police have discretion. The safest approach is to treat 80 km/h as a firm limit and aim to stay at 75 km/h to avoid crossing it. Repeated or deliberate speeding will result in penalties.
Does the speed limit change when I get my provisional licence?
Yes. Once you pass your driving test and receive a provisional licence, the 80 km/h learner's permit limit no longer applies. You will then be subject to the posted speed limits on each road, though provisional licence holders have other restrictions (such as limits on towing or driving at night) that vary by state.
Can my supervising driver get fined if I speed?
Yes. Your supervising driver is responsible for ensuring you comply with road rules, including the speed limit. If you are caught speeding, both you and the supervising driver may face penalties. This is why they need to actively monitor your speed throughout every drive.
Is the 80 km/h limit the same in other Australian states?
No. Speed limits for learner's permit holders vary by state. Some states use 80 km/h, others use 90 km/h or different limits depending on road type. If you travel interstate, check the road rules for that state before driving. Your ACT learner's permit is not valid for driving in other states anyway — you must hold a learner's permit issued by that state.