The ACT includes CTP with registration and lets you nominate which licensed insurer provides it, overseen by the territory's Motor Accident Injuries Commission.
The ACT's other defining feature is geographic: a large share of Canberra driving crosses into New South Wales, which raises questions that do not arise in a larger state.
You nominate a licensed insurer at registration or renewal. The scheme provides defined benefits to people injured in motor accidents, and those benefits do not vary between insurers, so the comparison is on price and service alone.
Your ACT registration and CTP travel with the vehicle, so driving into New South Wales changes nothing about your cover — a common worry with no basis. What it does change is practical: a breakdown an hour outside Canberra is a NSW towing job, so the roadside assistance radius and the comprehensive policy's towing benefit are worth more than a purely urban territory would suggest.
Canberra is compact, which keeps collision frequency and towing exposure low, but the territory has experienced severe hail events that produced very large numbers of write-offs in a single storm. Hail is covered only by comprehensive, and in a market this small a single event can also stretch local repair capacity for months afterwards.
Yes. You nominate a licensed insurer when you register or renew, and the benefits under the Motor Accident Injuries scheme are the same whoever you choose.
Yes. Your registration and CTP follow the vehicle across the border. What is worth checking is your towing distance, since a breakdown outside Canberra is quickly a long tow.
No. It covers injury to people only. Damage to any vehicle needs separate optional cover.
Medicare Levy Surcharge thresholds and government rebate percentages are reviewed regularly, so this page does not quote them. For the current figures see the ATO and the government's privatehealth.gov.au.