Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Referenced documents
1.4 Definitions
1.5 Specification of signs, markings and delineators
1.6 Responsibility and authority for installation
1.7 General principles
1.7.1 Basic principles for all traffic control devices
1.7.2 Specific principles for signs
1.7.2.1 General
1.7.2.2 Illumination and reflectorization
1.7.2.3 Installation and location of signs
1.7.2.4 Non-standard signs
1.7.2.5 Excessive use
1.7.2.6 Safety aspects
2 Treatments at non-expressway intersections
2.1 Scope of Section
2.2 Devices used
2.3 Intersection control and movement regulation
2.4 Application of devices
2.5 Control by GIVE WAY and STOP signs
2.5.1 General
2.5.2 Application
2.5.3 Warning signs for STOP and GIVE WAY signs
2.5.4 Requirements for installation of STOP signs
2.5.5 Signs
2.6 Roundabout control
2.6.1 Function and installation
2.6.2 Signs
2.7 Control by traffic signals
2.8 Regulation of movements at intersections
2.8.1 General
2.8.2 ONE WAY (R2-2) (L or R))
2.8.3 KEEP LEFT and KEEP RIGHT (R2-3 (L or R))
2.8.4 NO ENTRY (R2-4)
2.8.5 Turn prohibition signs (R2-5, R2-6 and R2-7)
2.8.6 LEFT (RIGHT) LANE MUST TURN LEFT (RIGHT) (R2-9)
2.8.7 All Traffic Turn (left or right) (R2-14)
2.8.8 NO HOOK TURN BY BICYCLES (R2-22)
2.8.9 Pedestrians Prohibited (R6-15)
2.8.10 Supplementary plates
2.8.11 SERVICE ROAD ENTRY (G9-71), LEFT TURN FROM SERVICE ROAD ONLY (G9-72)
2.9 Intersection warning signs
2.9.1 General
2.9.2 Intersection series
2.9.2.1 General requirements
2.9.2.2 Signs on a major road approaching a side road intersection
2.9.2.3 T-intersection signs
2.9.2.4 Side Road Intersection on a Curve (W2-9, W2-10, W2-16)
2.9.2.5 Successive Side Road Intersections (W2-11, W2-12, W2-13)
2.9.2.6 Modified Intersection warning signs (W9-1, W9-2, W9-3)
2.9.3 Advance warning of traffic control devices series
2.9.4 ISLAND (W4-5)
2.9.5 Merging Traffic (W5-34)
2.10 Pavement markings at intersections
2.11 Hazard markers and other devices
2.11.1 Hazard markers
2.11.2 Sight boards
2.11.3 Kerb markings
2.11.4 Pavement bars and markings
2.12 Typical arrangement diagrams for intersections
3 Treatments at expressway interchanges and terminals
3.1 Scope of Section
3.2 General
3.3 Intersection control at ramp terminals
3.4 Control of movement and traffic access at ramp terminals
3.4.1 General
3.4.2 Signs for wrong way movement control
3.4.3 Signs for the regulatory control of expressway use and access
3.5 Signs for traffic on expressways at and near interchanges
3.6 Advance signs for expressway terminals
3.7 Pavement markings on expressways and at entrance and exit ramps
3.8 Signs and pavement markings at interchanges and terminals
4 Treatments between intersections
4.1 Scope of Section
4.2 Pavement markings and delineation
4.2.1 General
4.2.2 General treatment
4.2.2.1 Rural road—Undivided
4.2.2.2 Rural roads—Divided, including rural expressways
4.2.2.3 Urban roads—Undivided
4.2.2.4 Urban roads—Divided and one-way roadways
4.2.3 No-overtaking zones—Barrier lines
4.2.4 Guide posts
4.2.4.1 General
4.2.4.2 Design and construction of guide posts
4.2.4.3 Siting and alignment
4.2.4.4 Spacing
4.2.5 Delineators
4.2.5.1 General
4.2.5.2 Colour
4.2.5.3 Performance requirements
4.2.5.4 Mounting locations
4.2.6 Snow poles
4.3 Pavement bars
4.3.1 General
4.3.2 Design and installation
4.3.3 Uses
4.4 Treatment of substandard horizontal curves
4.4.1 General
4.4.2 Guide posts with delineators
4.4.3 Pavement markings and raised retroreflective pavement markers
4.4.4 Warning signs, Advisory Speed signs and Chevron Alignment markers
4.4.5 Horizontal curves which are not substandard
4.4.6 Advisory speeds
4.4.6.1 General
4.4.6.2 Determination of advisory speeds on curves
4.4.6.3 Application of Advisory Speed signs (W8-2)
4.4.7 Signs
4.4.7.1 Turn (W1-1)
4.4.7.2 Reverse Turn (W1-2)
4.4.7.3 Curve (W1-3)
4.4.7.4 Reverse Curve (W1-4)
4.4.7.5 Winding Road (W1-5)
4.4.7.6 Hairpin Bend (W1-7)
4.4.7.7 Advisory Speed (W8-2)
4.4.7.8 NEXT . . . km (W8-17-1)
4.4.7.9 WINDING ROAD ENDS x km (G9-17)
4.4.7.10 Tilting Truck (symbol)(W1-8)
4.4.7.11 Chevron Alignment markers (D4-6)
4.5 Treatment of substandard vertical curves
4.5.1 General
4.5.2 Substandard stopping sight distance
4.5.3 Dips and humps
4.5.4 Signs
4.5.4.1 CREST (W5-11)
4.5.4.2 DIP (W5-9)
4.5.4.3 Road Hump (W5-10)
4.5.4.4 Advisory Speed (W8-2)
4.6 Treatment of approaches to structures and obstructions
4.6.1 General
4.6.2 Bridges
4.6.2.1 Bridges with more than one lane
4.6.2.2 One-lane bridges on two-way roadways
4.6.2.3 Signalization of one-lane bridges
4.6.2.4 Load and vehicle dimension limitations
4.6.2.5 Speed limitations
4.6.3 Subways and underpasses
4.6.3.1 General
4.6.3.2 Height restrictions
4.6.4 Gates, grids and culverts
4.6.4.1 Gates
4.6.4.2 Grids
4.6.4.3 Culverts
4.6.4.4 Isolated pavement width restrictions
4.6.5 Obstructions within the roadway
4.6.6 Signs for approaches to structures and obstructions
4.6.6.1 Regulatory signs
4.6.6.2 Detour signs
4.6.6.3 Warning signs
4.6.6.4 Speed limits on bridges
4.6.7 Hazard markers
4.6.7.1 General
4.6.7.2 Types of hazard markers
4.7 Changes in pavement width
4.7.1 General
4.7.2 General treatments at lane reductions (merges)
4.7.3 Narrowing of a single roadway
4.7.3.1 Narrowing of two-lane road
4.7.3.2 Transition from four-lane road to two-lane road (both undivided)
4.7.4 Transition of divided road to undivided road
4.7.5 Signs for lane reductions (merges) and approaches to changes in pavement width
4.7.5.1 Signs for zip-merge
4.7.5.2 Signs for lane changes
4.7.5.3 Road Narrows (W4-3)
4.7.5.4 Signs at the beginning and end of divided roads
4.8 Climbing and overtaking lanes, and turnouts
4.8.1 General
4.8.2 Signs for climbing and overtaking lanes
4.8.3 Signs for turnouts
4.9 Steep grades and safety ramps
4.9.1 General
4.9.2 Signs for steep descents
4.9.3 Signs for steep upgrades
4.9.4 Signs for safety ramps
4.10 Water crossings
4.10.1 General
4.10.2 Ferries and opening bridges
4.10.3 Fords
4.10.4 Floodways
4.10.5 Low level bridges
4.10.6 Signs for water crossings
4.10.6.1 FERRY (W5-1)
4.10.6.2 OPENING BRIDGE (W5-2)
4.10.6.3 FORD (W5-6)
4.10.6.4 FLOODWAY (W5-7-1)FLOODWAYS (W5-7-2)
4.10.6.5 LOW LEVEL BRIDGE (W5-8)
4.10.6.6 ON SIDE ROAD (W8-3)
4.10.6.7 STOP HERE ON RED SIGNAL (R6-6)
4.10.6.8 STOP banner (R6-8)
4.10.6.9 ROAD SUBJECT TO FLOODING INDICATORS SHOW DEPTH (G9-21)
4.10.6.10 Depth Indicator (G9-22)
4.10.6.11 (Distance) x m (W8-5)
4.10.6.12 NEXT x km (W8-17-1)
4.10.6.13 NEXT x km (R9-7-1)
4.11 Physical obstructions and hazards
4.11.1 Road block barriers
4.11.1.1 Application
4.11.1.2 Construction and location
4.11.1.3 Associated device and marking
4.11.2 Hazard warning signs
4.11.2.1 General
4.11.2.2 ROAD ENDS (W5-18)
4.11.2.3 GRAVEL ROAD (W5-19)
4.11.2.4 Slippery (W5-20)
4.11.2.5 Trucks (crossing or entering) (W5-22, T2-25)
4.11.2.6 Stock (W5-38)
4.11.2.7 Hazardous wildlife
4.11.2.8 Aircraft (W5-30)
4.11.2.9 FIRE STATION (W5-36), AMBULANCE STATION (W5-37)
4.11.2.10 WHEN WET (W8-7), WHEN FROSTY (W8-8), UNDER SNOW (W8-9), ON BRIDGE WHEN FROSTY (W8-29)
4.11.2.11 BOGGY WHEN WET (W8-21)
4.11.2.12 (Distance) x m (W8-5)
4.11.2.13 NEXT x km (W8-17-1)
4.11.2.14 Reduce speed (G9-9)
4.11.2.15 ROAD CLOSED (G9-20)
4.11.2.16 NO THROUGH ROAD (G9-18)
4.11.2.17 Tram (W5-41)
4.11.2.18 Fallen Rocks (W5-42)
4.11.2.19 UNEVEN SURFACE (W5-43)
4.11.2.20 Farm Machinery (W5-50)
4.11.3 Warning signs for temporary or part time hazards
4.11.3.1 WATER OVER ROAD (T2-13)
4.11.3.2 SMOKE HAZARD (T4-6)
4.11.3.3 Vehicle mounted signs
4.11.3.4 Stock AHEAD (T1-19)
4.11.3.5 Changed traffic conditions signs
4.11.3.6 Road closed (T2-4)
4.11.3.7 Traffic hazard (T1-10)
4.12 Variable use lane signs
4.13 Miscellaneous signs
4.13.1 General
4.13.2 Two-way (R2-11)
4.13.3 ONE WAY (Repeater) (R2-17)
4.13.4 MEDIAN TURNING LANE (R6-30)
4.13.5 KEEP LEFT UNLESS OVERTAKING (R6-29)END KEEP LEFT UNLESS OVERTAKING (R6-32)
4.13.6 TRUCKS USE LEFT LANE (R6-28), END (R7-4)
4.13.7 Emergency Median Crossing (GE9-23)
4.13.8 Checking station entry signs
4.14 Use of flashing lights with warning signs
5 Pavement markings
5.1 Scope of Section
5.2 General principles
5.2.1 Purpose
5.2.2 Removal of markings
5.2.3 Limitations
5.2.4 Types of markings
5.2.5 Pavement marking materials and reflectorization
5.2.6 Colours
5.2.7 Size of markings
5.2.8 Profile line marking
5.3 Longitudinal lines
5.3.1 General
5.3.2 Dividing lines
5.3.2.1 General
5.3.2.2 Two-lane, two-way roads
5.3.2.3 Multi-lane roads
5.3.2.4 Guides for the use of dividing lines
5.3.3 Barrier lines
5.3.3.1 General
5.3.3.2 No-overtaking zones
5.3.3.3 Location and setting out
5.3.3.4 Modification of barrier line requirements
5.3.3.5 Checking marked barrier lines
5.3.4 Lane lines
5.3.5 Edge lines
5.3.6 Continuity lines
5.3.7 Turn lines
5.3.8 Outline markings
5.3.9 Longitudinal lines at intersections and roundabouts
5.4 Transverse lines
5.4.1 General
5.4.2 Give-way lines
5.4.3 Stop lines
5.4.4 Positioning of lines at STOP and GIVE WAY signs
5.4.5 Pedestrian crosswalk lines
5.5 Other markings
5.5.1 Diagonal and chevron markings
5.5.1.1 General
5.5.1.2 Markings on splayed approaches
5.5.1.3 Diagonal markings on shoulders
5.5.1.4 Painted islands and median strips
5.5.2 Messages on pavements
5.5.2.1 General
5.5.2.2 Words and numerals
5.5.2.3 Intersection arrows
5.5.2.4 Lane change arrows
5.5.2.5 Expressway exit lane arrows
5.5.2.6 KEEP CLEAR marking
5.5.3 Kerb markings
5.6 Raised pavement markers
5.6.1 General
5.6.2 Retroreflective raised pavement markers (RRPM)
5.6.3 Non-retroreflective raised pavement markers (NRPMs)
5.6.4 Internally illuminated
5.6.5 Application of raised pavement markers
5.6.5.1 Positioning of markers
5.6.5.2 Augmenting painted lines
5.6.5.3 Lane guidance through intersections
5.7 Pavement markings at entrance and exit ramps
5.7.1 Entrance and exit ramp layouts
5.7.2 Exit ramp nose marking
5.7.3 Expressway exit lane arrows
5.7.4 ‘Step-out’ marking
Appendix A
A1 General
A2 Data collection
A2.1 Conditions for data collection
A2.2 Sample size
A3 Data recording
A4 Data analysis
A4.1 85th percentile speed
A4.2 15 km/h pace
Appendix B
B1 Scope
B2 Size of signs
B3 General principles for size selection
Appendix C
C1 Scope
C2 General
C3 Means of illumination
C4 Means of reflectorization
Appendix D
D1 Scope
D2 Sign location
D2.1 General
D2.2 Longitudinal placement
D2.3 Lateral placement and height
D2.3.1 General
D2.3.2 Lateral placement—rural
D2.3.3 Lateral placement—urban
D2.3.4 Height—rural
D2.3.5 Height—urban
D2.3.6 Overhead mounting
D2.4 Overhead signs
D3 Sign orientation
D4 Signpost selection
D4.1 General
D4.2 Small size posts
D4.3 Large non-frangible posts
D4.4 Large frangible posts
D4.5 Sign post selection guide
Appendix E
Appendix F
F1 Scope
F2 Principle
F3 Equipment
F4 Procedure
F5 Advisory speed adjustment
F6 Report
Appendix G
G1 Scope
G2 Principle
G3 Method
Appendix H
Amendment control sheet
AS 1742.2—2009
Amendment No. 1 (2009)
Correction
Amendment No. 2 (2011)
Correction
