Standard
UPDATE AVAILABLE
AS 1742.4-2008
[Superseded]Manual of uniform traffic control devices, Part 4: Speed controls
Specifies the traffic control devices to be used for the regulatory control of traffic speed and gives guidance on how speed limits should be determined and applied in various situations. The Standard does not cover temporary speed limits, the use of advisory speed signs, or speed limits applicable to certain classes of vehicle or driver.
Published: 27/11/2008
Pages: 28
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Referenced documents
1.4 Definitions
2 Speed management
2.1 General
2.1.1 Objective of speed management
2.1.2 General principles
2.2 Types of speed limit
2.2.1 Default speed limits
2.2.2 Speed zones
2.3 Speed zone establishment
2.3.1 General
2.3.2 Primary determination of speed limit
2.3.3 Permitted adjustments to speed limits
2.3.4 Length of a linear speed zone
2.3.5 Speed limit buffers
2.3.6 Offset speed zones
3 Speed limit signs and markings
3.1 Speed limit signs
3.1.1 General
3.1.2 Signs for linear speed zones and default speed limits
3.1.3 Signs for area speed zones
3.1.4 Signs for school zones
3.1.5 Signs for shared zones
3.1.6 Signs for bridges and service roads
3.2 Sign application
3.2.1 General
3.2.2 Default urban and default rural speed limits
3.2.3 Linear speed zones
3.2.4 Area speed zones
3.2.5 School zones
3.2.6 Shared zones
3.2.7 Repeater signs
3.2.8 Sign size
3.3 Conflict with advisory speed signs
3.4 Pavement markings
3.5 Variable speed limits
Appendix A
A1 Scope
A2 Roadside development
A3 Road characteristics
A3.1 Alignment
A3.2 Road access
A3.3 Intersections
A3.4 Road hazards
A4 Traffic characteristics
A4.1 Traffic pattern
A4.2 Pedestrians
Appendix B
B1 Scope
B2 General
B3 Means of illumination
B4 Means of reflectorization
Appendix C
C1 Scope
C2 Uniformity of location
C2.1 General
C2.2 Longitudinal placement
C2.3 Lateral placement and height
C2.3.1 General
C2.3.2 Lateral placement—rural
C2.3.3 Lateral placement—urban
C2.3.4 Height—rural
C2.3.5 Height—urban
C2.3.6 Overhead mounting
C3 Sign orientation
Cited references in this standard
[Available Superseded]
Retroreflective materials and devices for road traffic control purposes, Part 1: Retroreflective sheeting
[Current]
Paints and related materials — Pavement marking materials, Part 5: Performance assessment of pavement markings
[Current]
Manual of uniform traffic control devices, Part 13: Local area traffic management
[Current]
Manual of uniform traffic control devices, Part 10: Pedestrian control and protection
[Current]
Manual of uniform traffic control devices, Part 3: Traffic control for works on roads
Content history
[Current]
[Current]
[Superseded]
DR 07228
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