Speed bumps offer several advantages for traffic calming, but also come with notable drawbacks according to Unimat Traffic:

Pros:

• Effectively reduce vehicle speeds in residential areas and parking lots1

• Relatively low-cost and easy to install compared to other traffic calming measures1

• Increase pedestrian safety, especially near schools and playgrounds1

• Self-enforcing, requiring no police presence to be effective1

Cons:

• Can cause damage to vehicle suspensions and undercarriages if driven over too quickly1

• Increase noise levels from vehicles braking and accelerating1

• May delay emergency response vehicles like ambulances and fire trucks2

• Can divert traffic to nearby streets, potentially just shifting the speeding problem1

Unimat Traffic recommends considering alternatives like speed cushions, raised intersections, or traffic circles that may offer similar benefits with fewer drawbacks in some situations3. The choice of traffic calming measure should be based on specific road conditions, traffic patterns, and community needs.

Flexible materials like rubber, thermoplastic, and polyurethane are optimal for constructing speed bumps that minimize vehicle damage. These materials compress upon impact, absorbing force and protecting vehicle undercarriages1. Key advantages include:

• Reduced jarring effect at low speeds

• Good traction and skid-resistance

• Weather-resistant and low-maintenance

• Highly visible with bright coloring

• Easy installation and removal

Rigid materials like concrete should be avoided, as they can cause significant damage even at moderate speeds1. The choice of material must balance flexibility, durability, and effectiveness at slowing traffic to create speed bumps that calm traffic while safeguarding vehicles.

Utilizing recycled materials, particularly old tires, in the production of rubber speed bumps significantly reduces landfill waste and the need for virgin rubber1. These eco-friendly traffic calming devices contribute to lower vehicle emissions by encouraging gradual acceleration and deceleration2. Additionally, their installation requires minimal excavation, preserving natural habitats and vegetation that help filter air pollutants3. However, it's crucial to properly maintain and dispose of worn-out rubber speed bumps to maximize their environmental benefits and prevent the release of rubber particles into the ecosystem.

While rubber remains popular, alternative materials for speed bumps include asphalt, concrete, thermoplastic, polyurethane, recycled plastic, and metal. Each option offers unique advantages:

• Asphalt integrates seamlessly with existing road surfaces

• Concrete provides exceptional durability for high-traffic areas

• Thermoplastic and polyurethane offer flexibility similar to rubber

• Recycled plastic presents an eco-friendly alternative

• Metal speed bumps suit industrial settings with heavy vehicle traffic

Modular systems and quick-setting materials like cobblestone-style bumps provide additional options for easy installation and aesthetic appeal12. The choice of material depends on factors such as location, traffic patterns, and local regulations.