4 ft Alley Bump Speed Bump, Black/Yellow - GNRS2431YB

Model No

Usually ships in 30 days Please contact customer service at
800-798-9250 for lead times.

Product Summary

  • Reduces speed to 1-5 MPH
  • Molded highway reflective tape and "Cats Eye" Reflectors makes curb highly visible at night  
  • Modular design covers the width of any roadway and conforms to uneven surfaces and gravel
  • Resistant to damage from ultraviolet light, precipitation, oil/gas runoff, road salt, and extreme weather swings
  • Made with corrosion resistant recycled rubber for long lasting durability
  • End caps available for added protection
  • Dimensions: 12 in W x 48 in L x 3 in H

WARNING:This product can expose you to chemicals including Arsenic, Cobalt, Cadmium, Lead, Chromium, Nickel Compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.


The Checkers™ 4 ft Alley Bump Speed Bump, model GNRS2431YB was developed specifically to address speeding and cut-through traffic in city alleyways, slowing cars to approximately  1-5 MPH. Constructed from 100% recycled tires, the flexible design conforms to the contour of virtually any road surface. Pre-drilled holes make it simple to install on both asphalt and concrete. Applicable hardware is available for concrete or asphalt installations.

Designed to withstand extreme weather and stress, moisture, oil, temperature variations, and ultraviolet light, the Alley Bump will not chip, crack, fade, crumble, rot or deteriorate. A channeled bottom helps facilitate drainage as well as cover cabling or piping. 

This speed bump with its  12 in W x 48 in L x 3 in H dimensions, has a maximum weight capacity of 40,000 lbs. Its brittleness factors in at  -40F without change. Weathering up to 70 hours and at 150 F with no minimal change in hardness, compressive strength, tensile strength and elongation retainment.

These speed bumps offer a warranty of three years on the main speed bump, with 1 year on the reflective tape (under normal use). 

End caps are used to protect the ends of the speed bump or speed bumps row from excessive wear and tear, and are required by the warranty policy of the rubber speed bumps. End caps sold separately.

Discover Checkers Full Line of Speed Bumps and Traffic Safety Products

Pedestrian safety is paramount.  Check out our full line of speed bumps and other traffic calming and control products to ensure  your parking lots, loading zones and even residential areas are safe. 


More Information
Model No GNRS2431YB
UPC 662641882201
Color Black/Yellow
Quantity Included 1
Pallet Quantity 35
Length (Inches) 48
Width (Inches) 12
Height (Inches) 3
Spikes Needed 3
Bolts Needed 3



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