Speed humps are installed for a reason - to slow cars down. Instead of merely having them race over the humps damaging their vehicles, get them to actually slow down by posting a Speed Hump sign. Lyle-3PND4
Guidance: 01 The SPEED HUMP (W17-1) sign should be used to give warning of a vertical deflection in the roadway that is designed to limit the speed of traffic. 02 If used, the SPEED HUMP sign should be supplemented by an Advisory Speed plaque (see Section 2C.08).