Trucks turning and backing — Connecticut Permit Test
Trucks turning and backing on the Connecticut permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.
The rules
On every vehicle the rear wheels follow a shorter path than the front wheels, and the longer the vehicle the shorter that path; this is called off-track.
It is why a truck swings left before turning right. The trailer is going to cut the corner whatever the cab does.
On every vehicle, the rear wheels follow a shorter path than the front wheels. The longer the vehicle, the shorter the path followed by the rear wheels. This is called off-track.
Resist the temptation to pass on the right of a truck that is approaching an intersection, or you could be caught between the truck and the curb.
The truck swings wide to the left to make its right turn, and the gap you are aiming for closes as it turns.
If the truck driver makes a right turn, you could be caught between the truck and the curb.
If you see a truck driver trying to back up, stop and give them the chance to do it safely rather than driving around them.
Driving around a backing truck takes you straight out of the driver's field of view at the moment they are using it.
If you see a truck driver attempting to back, stop to give them a chance to do so safely.
On a road with two or more lanes in the same direction, stay in the right lane except to pass; with three or more, use the center lane where there is a lot of entering or exiting traffic.
The right lane is where merging traffic arrives. Moving over leaves that lane free and keeps you out of the weaving.
On a road with three or more lanes traveling in the same direction, use the center travel lane if there is a lot of entering or exiting traffic.
On the test
What is off-track?
The rear wheels following a shorter path than the front wheels. It is why a truck swings left before turning right. The trailer is going to cut the corner whatever the cab does. Connecticut Driver's Manual, p.20: “On every vehicle, the rear wheels follow a shorter path than the front wheels. The longer the vehicle, the shorter the path followed by the rear wheels. This is called off-track.”
How this works
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Where these come from
Every rule here is checked against Connecticut Driver's Manual, published by the Connecticut Department of Motor Vehicles, and against the state code itself. Last checked 2026-09-16.
- src/assets/drivers-manuals/CT.pdf (Connecticut Driver's Manual, Revised March 2023, retrieved 2026-09-14)
- src/assets/drivers-manuals/CT.pages.txt (plain pdftotext over that PDF; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SOURCES.json (sha256, folio offset 2, folioMarker, nonLawPages and the extraction flag, each with its measured basis)