The invention relates to a deceleration strip for roads. The deceleration strip is characterized by comprising a diamond-shaped deceleration body, a limiting point A, a limiting point B and a rotating point C, wherein the diamond-shaped deceleration body has a circular fillet, and rotates around the rotating point C; the inner layer of the diamond-shaped deceleration body is made of stainless steel and the outer layer of the diamond-shaped deceleration body is made of ABS (Acrylonitrile Butadiene Styrene) plastics; and the limiting point A, the limiting point B and the rotating point C are made of high-molecular rubber materials. The deceleration strip has the advantages that the noise is low, the structure is simple, if a vehicle passes through the deceleration strip at low speed, the comfort of the vehicle can not be influenced and if the vehicle passes through the deceleration strip at high speed, a punitive measure is started.