A speed hump is typically 3 inches in height (with applications as high as 4 inches) and 12 feet in length along the vehicle travel path axis (note: a speed hump that is 20 feet in length and flat in the middle is considered a speed table in this ePrimer).

Speed humps are parabolic vertical traffic calming devices intended to slow traffic speeds on low-volume, low-speed roads. Speed humps are 3–4 inches high and 12–14 feet wide, with a ramp length of 3–6 feet, depending on target speed.

Mar 24, 2023 · Both speed bumps and speed humps are effective traffic calming measures that can help improve safety on roads and parking lots. The choice between them depends on the specific needs of the area, and factors such as traffic volume, speed limits, and the proximity of …

Feb 14, 2020 · Speed bumps and speed humps are vertical obstacles used in traffic management—literal bumps in the road that jolt the occupants of a vehicle moving too quickly over them. They are the most commonly used structural traffic calming elements.

Traffic Logix recycled rubber speed humps are rounded traffic calming solutions, installed across the width of the road to slow cars down. They are ideal for residential roads and slow cars to 10-30 mph, the desired speed for many local roads.

Speed bumps (also called traffic thresholds, speed breakers or sleeping policemen) are a class of traffic calming devices that use vertical deflection to slow motor-vehicle traffic in order to improve safety conditions. Variations include the speed hump, speed cushion, and speed table.

Feb 1, 2017 · Generally located on residential streets or other low-speed roads, these raised pavement structures force motorists to slow down to a safe speed. Studies show speed humps can be effective at reducing speeds by nearly 10 mph. 1 (See page 2 to learn the difference between speed humps and speed bumps.)

Mar 31, 2025 · Introduction: An overview of the differences between speed bumps and speed humps.Measurements: Speed bumps are 2–3 inches tall and 10–12 inches wide, while speed humps are 1.5–2 inches tall and around 20 inches wide. The length may vary to cover multiple lanes if needed. Usage: Speed bumps are ideal where vehicles must slow to 5–10 mph, and …

speed hump is a raised area in the roadway pavement surface extending transversely across the travel way. Speed humps are sometimes referred to as “pavement undulations” or “sleeping policemen”. Most agencies implement speed humps with a height of 3 to 3.5 inches (76 to 90 mm) and a travel length of 12 to 14 feet (3.7 to 4.3 m).

A speed hump is an area of raised asphalt pavement that is three (3) inches high and 12 feet (parabolic) or 22 feet (flat top) long, oriented in the direction of travel. Montgomery County DOT installs these two types of speed humps according to the classification of a given street/road.