Home Office speedmeters handbook fourth edition publication No.15/05
Published 16 May 2014
The sections covering variable speed limits can be found in the handbook in the following chapters:
• 3.2 Terminology: Automatic
• 3.5.3 Variable Speed Limits above-the-Road Radar
• 5.1.2 Operational Requirements: General
• 5.9 Operational Requirements: Variable Speed Limits
• 7.8.3 Performance Requirements: Variable Speed Limits above-the-road Radar
• 8.7 Measurement Methods: Variable Speed Limit Signs