LGV Road Signs for LGVs

Question 1

What does a circular sign with a red border and the silhouette of a lorry mean?

Accepted Answer

No goods vehicles over the maximum gross weight shown (or 7.5 tonnes if no weight shown)

Answer

A circular prohibition sign with a lorry silhouette prohibits goods vehicles exceeding the weight shown. If no weight is displayed, the restriction applies to vehicles over 7.5 tonnes maximum gross weight. These are commonly found on residential roads and in town centres.

Question 2

What does a triangular warning sign showing a lorry on a slope indicate?

Accepted Answer

A steep hill ahead — the gradient percentage may be shown

Answer

This triangular warning sign indicates a steep hill ahead. The gradient percentage (e.g., 10% or 1 in 10) may be shown. LGV drivers should prepare by selecting a lower gear before the descent and engaging the retarder/exhaust brake.

Question 3

What does a rectangular blue sign with a white lorry symbol and an arrow indicate?

Accepted Answer

A recommended or mandatory route for lorries in the direction shown

Answer

Blue rectangular signs with a lorry symbol and arrow indicate a recommended or mandatory route for heavy goods vehicles. These guide HGVs onto appropriate roads and away from unsuitable routes such as narrow lanes or weight-restricted bridges.

Question 4

What does a sign showing '6'6"' with height indication mean for an LGV driver?

Accepted Answer

A low bridge or height restriction ahead — vehicles taller than the height shown must not pass

Answer

Height restriction signs (shown in feet and inches, and/or metres) indicate a low bridge or structure ahead. LGV drivers must know their vehicle's height and must not attempt to pass if their vehicle exceeds the restriction. Bridge strikes are costly and dangerous.

Question 5

What does a white circular sign with a diagonal black line through it mean?

Accepted Answer

National speed limit applies — for HGVs over 7.5t this means 50 mph on single carriageways, 60 mph on dual carriageways

Answer

The national speed limit sign means the national speed limit applies for the road type. For HGVs over 7.5 tonnes, this is 50 mph on single carriageways, 60 mph on dual carriageways, and 60 mph on motorways — NOT the 60/70 mph limits that apply to cars.

UK LGV Theory Practice Test

UK LGV Theory Practice Test

LGV Road Signs for LGVs