Road Kop Speed Cushion Details
Unlike traditional speed bumps/humps, the Road Kop Speed Cusion
is designed to slow traffic while minimally affecting emergency
response vehicles. See below for details.
Comparison table on delay times for an ambulance on a Ford 3550
chassis due to various traffic calming devices.
| Traffic Calming Device |
Delay Time (in seconds) |
| Speed Cushion |
1.03 |
| Speed Table (22') |
5.78 |
| Speed Hump (12') |
6.8 |
| Traffic Circle |
9.48 |
Additionally, adding speed cushions typically reduces traffic volume
by approximately 20% on cut-through streets.
Other benefits of Road Kop speed cushions:
- Easily removed and reinstalled for paving or relocation
- No road closure required for installation
- Uniform dimensions at every location
- Provides better drainage than traditional humps
- Safer for bicycles and motorcycles
- Markings are molded in - never need painting
- Warranted for two years
- Will not deform or deteriorate from the hot sun
- Greatly reduced damage to emergency vehicles
| Speed reductions have been
consistent over several tests and traffic volumes |
| Average 85th percentile speeds: |
| (Before) 35.6 |
(After) 24.6 |
Material: 100% recycled rubber and two-component polyurethane
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