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Truck Escape Ramp: What It Means & What To Do

Truck Escape Ramp (W7-4) - diamond yellow with black warning sign: An emergency escape ramp for trucks is ahead
MUTCD CodeW7-4
CategoryWarning Signs
ShapeDiamond
ColorYellow with black

What Does the Truck Escape Ramp Mean?

An emergency escape ramp for trucks is ahead.

About This Sign

Truck escape ramps are built into steep downhill grades for vehicles that lose braking ability. They use deep gravel or sand to stop runaway vehicles.

Other Warning Signs

Sharp Turn (W1-1) - diamond yellow with black warning sign: A sharp turn is ahead

Sharp Turn

W1-1

Curve Ahead (W1-2) - diamond yellow with black warning sign: A curve is ahead

Curve Ahead

W1-2

Reverse Turn (W1-3) - diamond yellow with black warning sign: The road ahead makes two sharp turns in opposite directions

Reverse Turn

W1-3

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Truck Escape Ramp - DMV Road Sign Meaning & Test Guide | DMV IQ