Queensland Manual of Uniform Traffic Control Devices Part 4: Speed controls November 2019 Copyright © The State of Queensland (Department of Transport and Main Roads) 2019. Licence This work is licensed by the State of Queensland (Department of Transport and Main Roads) under a Creative Commons Attribution (CC BY) 4.0 International licence. CC BY licence summary statement In essence, you are free to copy, communicate and adapt this work, as long as you attribute the work to the State of Queensland (Department of Transport and Main Roads). To view a copy of this licence, visit: https://creativecommons.org/licenses/by/4.0/ Translating and interpreting assistance The Queensland Government is committed to providing accessible services to Queenslanders from all cultural and linguistic backgrounds. 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Feedback Please send your feedback regarding this document to: [email protected] Manual of Uniform Traffic Control Devices, Transport and Main Roads, November 2019 Contents 1 Introduction ....................................................................................................................................1 1.1 Background ..................................................................................................................................... 1 1.2 Scope .............................................................................................................................................. 1 1.3 Document information ..................................................................................................................... 2 1.4 Responsibility and authority for installation .................................................................................... 2 1.5 Referenced documents ................................................................................................................... 2 2 Speed limits and speed zones ......................................................................................................4 2.1 General ........................................................................................................................................... 4 2.2 Principles ........................................................................................................................................ 4 2.3 Default speed limits ........................................................................................................................ 4 2.4 Speed zones ................................................................................................................................... 4 2.5 Variable speed limits ....................................................................................................................... 4 2.6 Glossary of terms ............................................................................................................................ 5 3 Speed limit setting process ..........................................................................................................8 3.1 Introduction ..................................................................................................................................... 8 3.2 Roles and responsibilities ............................................................................................................... 8 3.3 Homogeneity of road ...................................................................................................................... 9 3.4 Length of speed zones ................................................................................................................... 9 3.5 Overview of Speed Limit Review process .................................................................................... 10 4 Criteria Based Speed Limits ...................................................................................................... 14 4.1 General ......................................................................................................................................... 14 4.2 Criteria Based Speed Limit process ............................................................................................. 15 4.3 Types of Criteria Based Speed Limit ............................................................................................ 15 5 Risk Assessed Speed Limit / Speed Data Speed Limit ........................................................... 19 5.1 Risk Assessed Speed Limit .......................................................................................................... 19 5.2 Speed Data Speed Limit ............................................................................................................... 24 6 Option Selection ......................................................................................................................... 27 7 Engineer recommendation ........................................................................................................ 28 7.1 Responsible officer review ............................................................................................................ 29 7.2 Other circumstances ..................................................................................................................... 29 8 Approve and Implement ............................................................................................................. 36 8.1 Speed Management Committee ................................................................................................... 36 8.2 Review of endorsement by Speed Management Committee ....................................................... 37 8.3 Speed Limit Review Panel ............................................................................................................ 37 8.4 Approval ........................................................................................................................................ 38 8.5 Implementation ............................................................................................................................. 38 9 Monitor and evaluate .................................................................................................................. 39 Manual of Uniform Traffic Control Devices, Transport and Main Roads, November 2019 i 10 Speed limit signs ........................................................................................................................ 40 10.1 General ......................................................................................................................................... 40 10.2 Sign size ....................................................................................................................................... 45 10.3 Uniformity of location .................................................................................................................... 46 10.4 Means of displaying Variable Speed Limits .................................................................................. 46 10.5 Offset speed zones ....................................................................................................................... 49 11 Pavement markings .................................................................................................................... 50 11.1 General ......................................................................................................................................... 50 11.2 Marking details .............................................................................................................................. 50 12 Guidance for implementing speed limits ................................................................................. 51 12.1 Sign application............................................................................................................................. 51 12.2 Shared zone.................................................................................................................................. 52 12.3 Black Links speed zone signage .................................................................................................. 53 12.4 Speed reduction on approaches to controlled high speed rural intersections .............................. 56 12.5 State-controlled roads through rural towns ................................................................................... 57 12.6 Hospital zone ................................................................................................................................ 59 12.7 110 km/h speed zones .................................................................................................................. 59 12.8 Speed limits at bridges or floodway due to structural deficiencies ............................................... 60 12.9 Motorway ramp zones .................................................................................................................