Low clearance ahead (3.9 m) sign

What does the Low clearance ahead (3.9 m) sign mean?

Overhead clearance ahead is limited to 3.9 metres.

Other Warning signs

Dangerous goods: flammable

TDG-FLAMMABLE

Curve to the right

CURVE-RIGHT

Hairpin curve

HAIRPIN-CURVE

Practice with real test questions

Take a free knowledge-test practice round in your province. Sign-recognition questions are heavily represented on every Canadian provincial test.