Which speed humps are more durable rubber, plastic or steel?

Are Speed Humps Effective

The Different Types Of Speed Humps

Speed Hump - Rubber Online

Standard Speed Humps - - TreeTop Products

Speed Bump - Molded Rubber - 5-10 MPH - 12 Wide x 2 Tall - Park Warehouse

Standard Speed Humps - - TreeTop Products

Rubber Speed Bump Manufacturer and Supplier in China - RoadSky

The Rubber Speed Hump controls traffic and reduces vehicle speeds. Ideal in neighborhoods, construction areas, hospitals, post offices, and airports. Can be removed for seal coating, snow removal, or change of location. Easy tongue and groove installation. Constructed of recycled and virgin rubber. Unit is black with yellow embedded highway tape to ensure high visibility. Includes both center and end modules.

Vestil RSH-108-24-C Rubber Speed Hump, 23.5X108-Concrete

Various Size Rubber Speed Breaker Yellow-Black Road Speed Bump/Hump for Traffic Safety Service - China Road Speed Bump and Road Speed Hump

Road Hump, Speed Bump Applications, Heavy-Duty Premium Grade Rubber Speed Bumps 1000A, Road Hump, Road Bump, Speed Hump, Rubber Road Hump - Rugaval Rubber Sdn Bhd

Everything You Need to Know About Speed Bumps

Rubber Speed Humps Traffic Safety Store