What is the maximum height of a speed hump in a carpark?

The Australian Standard that regulates the design and use of speed humps for use in off-street parking in Australia is AS/NZS 2890.1 Parking Facilities. It identifies four main criteria in the design of “type 2” speed humps: Height, cross sectional shape, ramp angle and markings. With regard to height the maximum for a type 2 hump is in the range of 25 to 75mm. More information can be found on our website.