How is a driver warned of the presence of speed humps?

Warning signs like 'Road Humps Ahead' are placed before the series. The humps are marked with diagonal white stripes for visibility.

Can speed humps be placed on any street?

They are placed only on residential streets with no more than two lanes and a speed limit of 30 mph or less. They are not installed on curves, steep slopes, or near emergency facilities.

What are the different types of speed humps?

Two designs are used: the circular speed hump (12 feet long) for streets with multiple access points, and the flat-topped speed hump (22 feet long) for local neighborhood streets.

How can I get speed humps on my street?

You can apply through the Neighborhood Traffic Calming Program.

Scientific Design Rubber Speed Limiter Ramp with CE

Name: Scientific Design Rubber Speed Limiter Ramp with CE
Brand: Sanmen Aroad Traffic Facility Factory
SKU: 706443232

Zhejiang, ChinaSanmen Aroad Traffic Facility Factory

US$5.10

100-299 Pieces

US$4.60

300-499 Pieces

US$4.20

500-999 Pieces

US$3.80

1,000-4,999 Pieces

US$3.60

5,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Speed Hump

Material

Rubber

Model NO.

TSH10101

Application

Railway, Parking, Tunnel, Road

Certification

Product Material

Rubber

Product Size

250*350*50mm

Weight

16.5kg/PC

Color

Black and Yellow

End Cap Size

170*350*50mm

End Cap Weight

2kg

Product Packing

Woven Bags

Llife

>3 Years

Compression Resistance

>200MPa

Certificate

Transport Package

500*350*160mm, L 4PCS/ Woven Bags,

Specification

Trademark

Aroad

Origin

China(Mianlan), Zhejiang

HS Code

4016999090

Production Capacity

8000 PCS a Month

Key features

Durable Rubber Material: Moulded from recycled rubber, tough and durable for long-term use.

High Visibility Design: Available in yellow and black combination with reflectors for day and night visibility.

Modular Installation: Modular design allows easy installation and flexibility to suit any road size.

Weather Resistant: Resistant to UV, moisture, and temperature changes for outdoor durability.

Effective Speed Control: Designed to reduce vehicle speeds to 20 mph without causing driver discomfort.

Self-Draining Grooves: Grooved surface ensures drainage of rainwater to maintain grip when wet.

CE Certified: Product meets CE and SGS certification standards for safety and quality.

OEM/ODM Support: OEM and ODM services available with 1 R&D engineer for customization.

Company profile

Sanmen Aroad Traffic Facility Factory

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2006-06-19 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤10.98h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummarySanmen Aroad Traffic Facility Factory is a privately owned Chinese supplier established in 2012, with 28 employees, a 2,000 m² manufacturing plant, seven production lines, and 11–20 quality-control staff. Its product range focuses on traffic-safety and rubber-related items, including traffic cones, speed humps, warning posts, convex mirrors, road studs, and barriers. The supplier reports substantial production quantities, 90% export sales, self-operated import/export rights, and export activity beginning in 2006. It states that small orders, multiple payment and transportation methods, one-stop service, and a one-year quality warranty are available. However, management-system certification is listed only as “Others,” R&D engineer experience is limited to one year, and the available trade evidence shows only a small number of associated transactions and buyers. Financial strength and broad customization capability cannot be confirmed from the provided information.

Supplier typeThe supplier is identified as a combined business entity and private owner located in China, operating across manufacturing and multiple product-related sectors. It has self-operated import/export rights and reports that 90% of total sales come from exports, indicating an internationally oriented manufacturing supplier.

After-Sales capabilityThe supplier explicitly states that it provides a one-year quality warranty, supports various transportation methods, accepts small orders, and can provide one-stop service. These statements support some after-sales and service capability, although no evidence specifies claim handling, repair procedures, response times, or service coverage.

Production capacityThe supplier operates seven production lines, employs 28 people, and has a 2,000 m² manufacturing plant. Reported annual output includes 1,000,000 meters of rubber speed humps, 10,000,000 traffic cones, 2,000,000 rubber speed bumps, 10,000,000 warning posts, and 10,000 convex mirrors, providing explicit evidence of multi-product production capacity.

Client casesTrade records associate the supplier with Colombian buyers including CAUCHOS ESPECIALES MALACA SAS and MANUFACTURAS LATINOAMERICANAS DE CAUCHO SAS. Product descriptions include rubber speed reducers and speed humps with cat-eye components, demonstrating identifiable customer-related shipment cases, though the number and breadth of cases remain limited in the provided records.

Product Q&A

Q:Why do we have speed humps?

Speeding on residential streets is a common complaint. Speed humps are an effective approach to slowing down traffic where police enforcement resources are limited.

Q:What is a speed hump and how is it different from a speed bump?

A speed hump is a gradual rise and fall (12-22 feet long) allowing vehicles to pass at 20 mph. A speed bump is abrupt (1-3 feet long) causing vehicles to almost stop.

Q:How are speed humps effective in controlling speeds?

They cause a gentle rocking motion that creates driver discomfort, forcing vehicles to slow down to 20 mph. They are often called 'sleeping police officers'.

Q:What will happen if I go over speed humps at high speeds?

At high speeds, a speed hump can cause significant driver discomfort and act as a bump, jolting the vehicle's suspension and occupants.

Q:Do speed humps reduce cut-through traffic?

The primary purpose is speed reduction. Traffic diversion is a side effect; motorists may avoid humps by using nearby streets.