Speed limiter not used or incorrectly calibrated PrintOpen/Close all drop downs Guideline effective from: 04 August 2008 Give feedback about this page Please tell us if there is an issue with this guideline to do with the accuracy of the content, how easy the guideline is to understand and apply, or accessibility/broken links. Email* Comment*CAPTCHACommentsThis field is for validation purposes and should be left unchanged.