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QGTTM
TN199 Temporary Roads
QGTTM
Current
Technical Note TN199 – Guidance for the Design of Temporary Roads
Department of Transport and Main Roads · December 2021
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Pages
53
Sections
92
Searchable sentences
809
Status
Current
Contents
Copyright
p. 2
Licence
p. 2
CC BY licence summary statement
p. 2
Translating and interpreting assistance
p. 2
Feedback
p. 2
1
Introduction
p. 3
1.1
Background
p. 3
1.2
Purpose of this technical note
p. 5
1.3
Design references
p. 6
1.4
Design exception process and monitoring
p. 7
2
Design philosophy for temporary roads
p. 8
3
Speed parameters for temporary roads
p. 9
4
Road design considerations for temporary roads
p. 11
4.1
Cross Section
p. 11
4.1.1
National / International guidance – literature review
p. 12
4.1.1.1
Queensland
p. 12
4.1.1.1.1
Lane widths
p. 12
4.1.1.1.2
Shoulder widths / edge clearances
p. 13
4.1.1.2
Western Australia
p. 14
4.1.1.2.1
Lane Widths
p. 14
4.1.1.2.2
Shoulder widths / edge clearances
p. 14
4.1.1.3
USA
p. 15
4.1.1.3.1
Lane Widths
p. 15
4.1.1.3.2
Shoulder widths / edge clearances
p. 15
4.1.1.4
UK
p. 15
4.1.2
Case Examples
p. 16
4.1.2.1
Queensland – existing permanent road examples
p. 16
4.1.2.2
Germany
p. 17
4.1.3
Design Exception opportunities – cross section
p. 18
4.1.3.1
Lane Widths
p. 18
4.1.3.2
Shoulder widths / edge clearances
p. 18
4.1.3.3
Two-lane, two-way roads
p. 19
Situation A – Road with light vehicles and semi-trailers only
p. 19
Situation B – Roads carrying larger vehicles
p. 20
4.1.3.4
Two-lane, one-way carriageway
p. 20
4.1.4
Mitigating measures – cross section
p. 21
Regulation 104
No Trucks Signs
p. 22
159
Marked lanes required to be used by particular kinds of vehicles
p. 23
329
Traffic control devices applying to a marked lane
p. 23
4.2
Sight Distance
p. 25
4.2.1
National / International guidance – literature review
p. 25
4.2.1.1
Queensland
p. 25
4.2.1.2
Australia – National guidance (AGRD)
p. 26
4.2.1.3
USA
p. 27
4.2.2
Case Examples
p. 27
4.2.3
Design Exception opportunities – sight distance
p. 27
4.2.3
Table 4.2.3 – NDD and absolute minimum sight distance requirements
p. 28
4.2.4
Mitigating measures – sight distance
p. 28
4.3
Coordination of horizontal and vertical alignment
p. 30
4.3.1
National / International guidance – literature review
p. 30
4.3.1.1
Safety considerations
p. 30
4.3.1.2
Aesthetic considerations
p. 30
4.3.1.3
Drainage considerations
p. 30
4.3.2
Case Examples
p. 31
4.3.3
Design Exception opportunities – horizontal and vertical alignment coordination
p. 31
4.3.4
Mitigating measures – horizontal and vertical alignment coordination
p. 31
4.4
Horizontal alignment
p. 32
4.4.1
National / International guidance – literature review
p. 32
4.4.1.1
Queensland
p. 32
4.4.1.2
Australia – National guidance (AGRD)
p. 32
4.4.1.3
Western Australia
p. 32
4.4.1.4
USA
p. 33
4.4.2
Case Examples
p. 33
4.4.3
Design opportunities – horizontal alignment
p. 33
4.4.4
Mitigating measures – horizontal alignment
p. 34
Regulation 317
Information on or with traffic control devices
p. 34
4.5
Vertical alignment
p. 35
4.5.1
National / International guidance – literature review
p. 35
4.5.2
Case Examples
p. 35
4.5.3
Design opportunities – Vertical Alignment
p. 35
4.5.4
Mitigating measures – vertical alignment
p. 36
4.6
Site Access – deceleration & acceleration lanes
p. 36
4.6.1
National / International guidance – literature review
p. 36
4.6.1.1
Australia – National guidance (AGRD)
p. 36
4.6.1.2
US guidance
p. 36
4.6.2
Existing case examples
p. 37
4.6.3
Design opportunities – deceleration and acceleration lanes
p. 37
4.6.3.1
Deceleration lanes
p. 37
4.6.3.2
Design opportunities – Acceleration lanes
p. 37
4.6.4
Mitigating measures – deceleration and acceleration lanes
p. 38
4.7
Temporary Road Safety Barrier Warrants
p. 39
4.7.1
National / International guidance – literature review
p. 39
4.7.1.1
Queensland
p. 39
4.7.1.2
Australia – National guidance (AGRD)
p. 40
4.7.1.3
US
p. 41
4.7.2
Case Examples
p. 42
4.7.3
Design Exception opportunities – temporary road safety barriers
p. 42
4.7.4
Mitigating measures – temporary road safety barriers
p. 43
4.8
Turn treatment warrants for unsignalised intersections with short periods of higher traffic volumes
p. 43
4.9
Drainage
p. 48
5
Summary – design exception opportunities
p. 49
6
References
p. 51
