G Test Highway Driving Guide Ontario 2026 — Full Licence Tips
The Ontario G full licence test includes mandatory highway driving on a 400-series highway. This is what separates the G test from the G2 test. This guide covers everything you need to know to pass the highway portion confidently.
Based on the official Ontario Driver's Handbook and real DriveTest scenarios. Updated October 2026.
What the G Test Highway Section Includes
- Merging onto the highway from an acceleration ramp
- Driving at highway speed (100 km/h)
- Lane changes — left and right
- Maintaining safe following distance
- Exiting the highway on a deceleration ramp
- Possibly driving through a highway interchange
Highway Lane Change Checklist
- 1Check your mirrors — rear-view and side mirror in the direction you are moving.
- 2Signal your intention.
- 3Check your blind spot — shoulder check.
- 4Confirm the lane is clear and the gap is safe.
- 5Move smoothly into the new lane.
- 6Cancel your signal.
- 7Adjust your speed to match traffic in the new lane.
Quick Summary
- ✅ G test requires 400-series highway driving
- ✅ Merge by matching speed — never stop on ramp
- ✅ Keep right except to pass
- ✅ Slow down on exit ramp, not on highway
- ✅ Minimum highway speed: 60 km/h
- ✅ SMOG before every lane change
Practice Quiz
5 QuestionsThe G road test requires driving on:
Frequently Asked Questions
How long is the highway portion of the G test?
The highway portion is typically 10–15 minutes of the 20–30 minute G road test. You will merge onto the highway, drive a few kilometres, change lanes, and exit.
What if I am nervous about highway driving?
Practise highway driving multiple times before your test. Drive during off-peak hours first, then during normal traffic. Familiarity reduces anxiety significantly.
What is the minimum speed on Ontario highways?
The minimum speed on 400-series highways is 60 km/h. However, you should drive at the speed of traffic (usually 100–110 km/h) unless conditions require slower driving.
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