You set off on a long drive, follow the fastest route on your phone and forget about it, until a stack of toll notices turns up weeks later. That shock is common on interstate trips, especially when you skim through unfamiliar motorway networks. A bit of planning lets you choose when tolls are worth paying and when they are not.

Plan around toll routes

Most tolls sit on busy motorways, ring roads and key tunnels that long-distance drivers often use simply to get past built‑up areas quickly. If you rely on the default “fastest” option in a navigation system, it will usually route you onto these links with little more than a small on‑screen icon as warning.

Before you leave, zoom in along your planned route and look for stretches marked as toll roads, toll tunnels or toll bridges. Use the “avoid tolls” toggle to compare options: on a long run, a free detour can easily add 20–60 minutes and 20–80 km, which might mean an extra 4–8 litres of fuel and roughly $8–$20 at current prices. A single toll section may cost only a few dollars, but five or six in a day can reach $20–$40. Skipping tolls at busy times can also turn a 30‑minute transit into a 90‑minute crawl, which matters if you are already driving 600–800 km that day.

Tags, passes and rentals

The simplest way to avoid surprise charges is to travel with an active toll tag linked to your bank account. An e‑tag is a small transponder on the windscreen that beeps as you pass under gantries and is usually billed at the standard car rate, instead of a higher video plate toll.

Most Australian tags are generally accepted across different states, but it is worth confirming this with your provider before a big interstate run. If you rarely use tolls, a short‑term trip pass that covers a specific road or group of roads for a few days can suit occasional long drives, but these usually need to start from the day of travel, not weeks later. In a hire car, costs are more complicated: many rental companies add administration fees per toll day or per notice, sometimes turning a $5 toll into a $20–$30 line item. Ask how their tolling works, whether your own tag can be used, and if there is a daily cap; if the costs look high, plan routes that avoid tolls while you have the rental.

Paying on time

Electronic tolling assumes you either have a tag or will pay soon after using the road. If a camera reads your number plate and finds no matching account or pass, the system usually allows a short grace period to buy a pass or set up a temporary account.

Miss that window and administration fees are added and the debt may be passed to a state revenue authority, with official infringement notices that can climb to hundreds of dollars once multiple unpaid trips and charges are stacked together. Long holiday drives are where people often get caught, because they might use the same toll road several times before a first notice appears. On a multi‑day run, make a quick toll check part of your evening routine: log in when you stop for the night to confirm that the day’s trips have appeared and been billed correctly. Do not try to dodge a toll at the last second by swerving across lanes or staring at your phone for alternate routes, as any saving is wiped out if you trigger a crash or a fine.

Checklist

  • Plan your route in advance, switching “avoid tolls” on and off to see options.
  • Compare likely toll totals with the extra fuel and time on free routes.
  • Set up an e‑tag or trip pass that works across states before you leave.
  • If using a rental car, confirm toll rules, fees and whether your own tag is allowed.
  • Each evening on a long trip, check your toll account and buy any missed passes promptly.

Build tolls into your trip planning alongside fuel and accommodation so they become predictable costs, not unwelcome bills. A few minutes of checking before and during the journey greatly reduces the chances of costly surprises later.