Safe Access. Efficient Staging.

What is Traffic Management Design?

Traffic management design is the engineering discipline responsible for planning, designing, and documenting how traffic will be safely managed during construction, maintenance, or emergency works on or adjacent to the road network. It encompasses the development of Traffic Management Plans (TMPs), Traffic Guidance Schemes (TGSs), construction staging sequences, and temporary traffic control arrangements that protect both road users and construction workers.

Infrastructure construction frequently occurs within or adjacent to live traffic networks. Roads cannot simply be shut down for the duration of a project. Traffic must continue to flow safely while construction activities proceed alongside, above, or beneath operating carriageways. The challenge is to create work zones that provide adequate space and safety for construction activities while maintaining acceptable levels of service for road users, pedestrians, cyclists, and public transport operations.

In Queensland, traffic management design is governed by the Queensland Manual of Uniform Traffic Control Devices (MUTCD) Part 3, harmonised with Australian Standard AS 1742.3:2019, and the Queensland Guide to Temporary Traffic Management (QGTTM), harmonised with the Austroads Guide to Temporary Traffic Management. These standards establish the requirements for signs, devices, delineation, barriers, and lane configurations used at roadwork sites. Where designs propose arrangements outside these standard treatments, or where complex geometric layouts, traffic modelling, or temporary barrier design is required, RPEQ certification is mandatory.

At Cenex, our traffic management design services are delivered by RPEQ-registered engineers with direct experience delivering major infrastructure projects across Queensland. We understand the regulatory frameworks, the practical realities of construction in live traffic environments, and the balance required between safety, efficiency, and community impact. Our designs are not just technically compliant but genuinely constructable and cost-effective, developed with the understanding of engineers who have managed and delivered the types of projects we design for.

Protect Your Project

Why Traffic Management Design Matters

Professional traffic management design is a critical investment that protects public safety, ensures regulatory compliance, and enables efficient construction delivery.

Protect Public Safety

Road users are the primary concern in any traffic management arrangement. Professionally designed traffic control ensures clear guidance through work zones, adequate sight distances, appropriate speed management, and safe separation between traffic and construction activities. Poor traffic management design directly increases the risk of crashes, injuries, and fatalities at roadwork sites.

Safeguard Construction Workers

Construction workers operating adjacent to live traffic face significant safety risks. Effective traffic management design creates clearly defined work zones with proper separation, speed reductions, physical barriers where required, and controlled access points. The design must account for the specific construction activities being performed and the equipment operating within the work zone.

Ensure Regulatory Compliance

Work on state-controlled roads in Queensland requires compliance with TMR specifications, MUTCD Part 3, the QGTTM, and applicable Traffic Control Permit conditions. Non-compliant traffic management can result in permit refusal, stop-work orders, and significant project delays. RPEQ-certified designs demonstrate that the required engineering standard has been met.

Maximise Construction Efficiency

Well-designed staging plans and traffic control arrangements directly influence construction productivity. Optimised work zone configurations provide maximum access for plant and equipment, reduce the frequency and duration of traffic switches, and minimise the temporary works required to maintain traffic. Better staging means faster delivery and lower construction costs.

Minimise Community Disruption

Infrastructure projects affect the communities they serve. Thoughtful traffic management design balances construction needs with road user expectations by maintaining access to properties and businesses, managing detour routes, coordinating with public transport operations, and scheduling high-impact activities to minimise peak-hour disruption. Reduced community impact also means fewer complaints and smoother stakeholder relationships.

Control Costs and Risk

Traffic management is a significant cost item on road and infrastructure projects. Practical designs that are right-sized for the risk avoid unnecessary over-engineering while meeting all safety and compliance requirements. Early engagement of traffic management expertise also reduces the risk of costly redesign, permit delays, and variations during construction.

Project Lifecycle

When You Need Traffic Management Design

Traffic management design adds value at multiple stages of the project lifecycle. The earlier traffic management considerations are integrated into project planning, the better the outcomes for safety, cost, and programme.

Feasibility and Options Assessment

During early project planning, traffic management input helps identify staging constraints, assess the feasibility of maintaining traffic during construction, and develop preliminary staging concepts that inform the overall project programme and cost estimate. Understanding traffic management requirements early avoids surprises during detailed design and prevents the need for costly design changes driven by traffic staging constraints discovered too late in the process.

Detailed Design Integration

At the detailed design stage, traffic management design must be fully integrated with the permanent works design. This includes developing construction staging plans that define the sequence of traffic switches, designing temporary pavement and drainage to maintain traffic during each stage, specifying temporary barrier requirements, and coordinating with utilities and services relocations. The traffic management design directly influences permanent works design decisions including median widths, shoulder configurations, and service relocations.

Tender and Contract Support

For contractors preparing tenders, traffic management design is critical to developing competitive pricing and credible construction methodology. Cenex provides traffic management input for tender submissions, helping contractors develop staging strategies, quantify temporary works requirements, and demonstrate compliant traffic management approaches in their tender methodology.

Construction Delivery

During construction, traffic management plans require ongoing refinement as site conditions change, construction sequences are adjusted, and permit applications are submitted and approved. Cenex provides ongoing design support throughout construction delivery, including plan revisions, new Traffic Guidance Schemes for unforeseen activities, permit application support, and compliance review.

Common Triggers

  • Road construction or rehabilitation on state-controlled roads requiring TMR permits
  • Bridge construction or rehabilitation adjacent to or over live traffic
  • Intersection upgrades, interchange construction, or road widening requiring staged delivery
  • Utility relocations or installations within road corridors
  • Complex staging with multiple phases or interfaces with live rail, utilities, or waterways
  • Full or partial road closures requiring detour planning and community notification
  • Designs requiring RPEQ certification for non-standard traffic control arrangements
Comprehensive Capability

Our Traffic Management Services

End-to-end traffic management design services from early planning through construction delivery, all backed by RPEQ certification and hands-on infrastructure delivery experience.

Traffic Management Plans (TMPs)

Development of comprehensive Traffic Management Plans that document the complete traffic management strategy for a project. Our TMPs include risk assessments, Traffic Guidance Schemes for each construction stage, emergency response procedures, community communication plans, and all supporting documentation required for TMR and council approval. We ensure TMPs are compliant with the QGTTM and practical to implement on site.

Traffic Guidance Scheme Design

Detailed design of Traffic Guidance Schemes showing the specific layout of signs, delineation devices, temporary barriers, lane configurations, and speed zones for each construction stage and activity. Our TGS drawings are prepared in accordance with MUTCD Part 3 and the QGTTM, with RPEQ certification provided where designs include non-standard arrangements, complex geometrics, or treatments that depart from standard MUTCD requirements.

Construction Staging Design

Development of construction staging plans that define the sequence of works, traffic switches, and work zone configurations for each phase of construction. Our staging designs optimise the number and timing of traffic switches, maximise work zone access for plant and equipment, and minimise the temporary pavement, drainage, and barrier infrastructure required. Effective staging design is the foundation of efficient delivery in live traffic environments.

Temporary Road Safety Barrier Design

Design of temporary road safety barrier systems including barrier type selection, length of need calculations, terminal treatments, transitions, and connection details. Temporary barrier design requires specific RPEQ competence and an understanding of barrier performance under impact. Our engineers assess the need for temporary barriers based on site-specific risk factors including traffic speed, volume, work zone proximity, and the nature of the hazard being shielded.

Site Access and Haul Route Planning

Planning and design of construction vehicle access including site entry and exit points, internal haul routes, heavy vehicle turning movements, and the interface between construction traffic and public road networks. We assess the capacity of local roads to accommodate construction traffic, identify permit requirements for oversize or overmass vehicles, and develop site traffic management plans that minimise conflict between construction vehicles and road users.

Permit Applications and Approvals

Preparation and management of Traffic Control Permit and Road Corridor Permit applications to the Department of Transport and Main Roads. We prepare all required documentation, coordinate with TMR reviewers, and manage the approval process to ensure permits are obtained within the required timeframes. Our familiarity with TMR's requirements and approval processes helps avoid the common causes of permit delays and rejections.

Compliance Review and Audit

Independent review and audit of traffic management implementation to verify compliance with approved TMPs, Traffic Control Permit conditions, and applicable standards. Our compliance reviews assess whether the on-ground traffic management arrangements match the approved designs, identify non-conformances, and recommend corrective actions. Regular compliance auditing is a requirement on many TMR-managed projects.

Temporary Works Design

Design of temporary infrastructure required to maintain traffic during construction, including temporary pavement, drainage, signage structures, pedestrian facilities, and lighting. We also coordinate temporary works requirements with the permanent design to identify opportunities to stage permanent works as temporary infrastructure, reducing cost and avoiding abortive work.

How We Deliver

Our Traffic Management Design Methodology

Cenex follows a structured methodology that integrates traffic management design with the broader project delivery, ensuring designs are compliant, constructable, and optimised for efficient delivery.

1

Site Assessment & Constraints Analysis

We review the project site, traffic data, road geometry, services information, and environmental constraints to understand the operating environment. This includes assessing traffic volumes, speed limits, road hierarchy, pedestrian and cyclist movements, public transport routes, and adjacent property access requirements that will influence the traffic management design.

2

Staging Strategy Development

We develop construction staging options that balance safety, construction efficiency, and community impact. Each option is assessed against key criteria including the number of traffic switches required, temporary works costs, construction programme implications, traffic capacity, and risk. We work with the project team to select the preferred staging strategy.

3

Traffic Control Design

Our RPEQ-certified engineers design the detailed traffic control arrangements for each construction stage, including Traffic Guidance Schemes, signage plans, temporary barrier layouts, speed management, pedestrian and cyclist provisions, and public transport accommodations. Designs comply with MUTCD Part 3 and the QGTTM, with RPEQ certification provided where required.

4

TMP Documentation

We compile the complete Traffic Management Plan documentation including the overarching TMP document, all Traffic Guidance Schemes, risk assessments, emergency response procedures, community communication plans, and supporting analyses. The TMP package is prepared to meet TMR and council submission requirements, ready for permit application.

5

Approval & Delivery Support

We manage the permit application process, coordinate with TMR and council reviewers, and respond to review comments. During construction, we provide ongoing design support including TMP revisions, new Traffic Guidance Schemes for additional activities, compliance monitoring, and resolution of on-site traffic management issues as they arise.

The Cenex Difference

Why Cenex for Traffic Management Design

Cenex brings a unique combination of credentials, experience, and perspective to traffic management design that distinguishes our service from both specialist traffic management companies and general engineering consultancies.

RPEQ
Registered Professional Engineers of Queensland providing certified traffic management designs that meet the highest professional engineering standards
CE1
Pre-qualified with the Department of Transport and Main Roads at the highest level for cost estimating, reflecting deep knowledge of TMR delivery standards
$16B+
Total project value delivered across roads, bridges, rail, water, and energy infrastructure throughout Queensland and Australia
Delivery
Engineers with hands-on construction delivery experience who understand the practical realities of building in live traffic environments

Our engineers have managed and delivered the types of projects they now design traffic management for. This construction delivery perspective means our traffic management designs are not theoretical exercises produced in isolation from the realities of site delivery. We understand how construction crews operate, what equipment needs access, how work sequences interact with traffic staging, and where practical compromises are needed to make a staging plan work in the field.

We also bring constructability audit expertise to our traffic management designs, ensuring that staging arrangements are not only safe and compliant but genuinely buildable and cost-effective. Our cost estimating capability means we can quantify the cost implications of different staging options, helping project teams make informed decisions about the trade-offs between traffic management complexity and construction efficiency.

Regulatory Framework

Standards & Compliance

Our traffic management designs comply with all applicable Australian standards, Queensland legislation, and authority-specific requirements.

MUTCD Part 3

Queensland Manual of Uniform Traffic Control Devices Part 3, harmonised with AS 1742.3:2019, providing the foundation standard for traffic control signs and devices at roadworks.

QGTTM

Queensland Guide to Temporary Traffic Management, harmonised with the Austroads Guide to Temporary Traffic Management, providing guidance on planning, design, installation, and management of temporary traffic sites.

TMR Specifications

Department of Transport and Main Roads technical specifications including MRTS02 and related documents, setting additional requirements for traffic management on state-controlled roads.

Local Authority Standards

Council-specific requirements and approval processes for traffic management on local government roads, including Brisbane City Council and regional council requirements across Queensland.

Sector Experience

Project Types

Traffic management design across the full spectrum of Queensland infrastructure projects.

Highway Duplication Road Upgrades Intersection Upgrades Interchange Construction Bridge Construction Bridge Rehabilitation Rail Crossings Urban Streetscape Utility Relocations Water & Sewer Power & Telecommunications Stormwater & Drainage Road Rehabilitation Full Road Closures
Common Questions

Frequently Asked Questions

Answers to common questions about traffic management design, TMPs, staging plans, and regulatory requirements in Queensland.

What is a Traffic Management Plan (TMP)?

A Traffic Management Plan is a comprehensive document that describes how traffic will be managed during construction or maintenance activities on or adjacent to a road network. It includes the overall traffic management strategy, risk assessments, Traffic Guidance Schemes showing sign and device placement, construction staging sequences, emergency response procedures, and community communication requirements. In Queensland, TMPs for work on state-controlled roads must comply with the Queensland Guide to Temporary Traffic Management (QGTTM) and the Manual of Uniform Traffic Control Devices Part 3. Depending on the complexity and any departures from standard arrangements, elements of the TMP may require certification by an RPEQ-registered engineer.

When does traffic management design require RPEQ certification?

RPEQ certification is required for traffic management designs that propose arrangements outside the standard treatments covered by MUTCD Part 3 and the QGTTM. This includes innovative traffic control arrangements, designs that deviate above or below MUTCD requirements, complex geometric layouts requiring engineering judgement, traffic modelling for capacity analysis, and temporary road safety barrier design. The RPEQ must be provided with all documentation including a full risk assessment and certifies the specific elements that sit outside standard MUTCD requirements. For complex multi-stage infrastructure projects, RPEQ involvement is strongly recommended throughout the design process to ensure all staging arrangements are safe and compliant.

What is the difference between a TMP and a Traffic Guidance Scheme?

A Traffic Management Plan is the overarching document that covers the entire traffic management strategy for a project, including risk assessments, responsibilities, emergency procedures, and community engagement. A Traffic Guidance Scheme (TGS) is a detailed plan drawing within the TMP that shows the specific layout of signs, devices, delineation, barriers, and lane configurations for a particular stage or activity. A single TMP typically contains multiple Traffic Guidance Schemes covering different construction stages, work activities, and traffic conditions such as daytime versus night-time operations. The TGS provides the on-ground implementation detail that traffic controllers and site personnel follow.

What permits are needed for traffic management on state-controlled roads in Queensland?

Working on or adjacent to state-controlled roads in Queensland requires several approvals from the Department of Transport and Main Roads. A Road Corridor Permit authorises physical works within the road corridor. A Traffic Control Permit is required for any activity that may interrupt traffic flow, pedestrian movements, or public transport operations, and must be applied for by a company registered under the Traffic Management Registration Scheme. Applications require at least 10 business days for processing. Permission to occupy the state-controlled road must be obtained before submitting a Traffic Control Permit application. These permits are managed through TMR's online Customer Portal.

How does construction staging design reduce project costs?

Effective construction staging design reduces project costs by minimising the number of traffic switches and temporary works required, optimising work zone sizes to maximise construction productivity, reducing the duration of traffic management operations and associated labour costs, minimising temporary pavement, drainage, and barrier requirements, and avoiding costly rework from poorly sequenced activities. A well-designed staging plan also reduces delay costs imposed on road users, which is increasingly factored into project assessments by road authorities. Projects with optimised staging typically achieve measurable savings in both direct construction costs and indirect time-related costs.

What standards govern traffic management design in Queensland?

Traffic management design in Queensland is governed by several key standards and guidelines. The Queensland Manual of Uniform Traffic Control Devices Part 3, harmonised with Australian Standard AS 1742.3:2019, provides the foundation for traffic control signs and devices at roadworks. The Queensland Guide to Temporary Traffic Management (QGTTM), harmonised with the Austroads Guide to Temporary Traffic Management, provides detailed guidance on planning, design, installation, and management of temporary traffic management sites. TMR technical specifications, particularly MRTS02 and related documents, set additional requirements for work on state-controlled roads. Local councils may impose supplementary requirements for works on council-controlled roads.

Need Traffic Management Design for Your Project?

Our RPEQ-certified engineers are ready to deliver compliant, constructable traffic management solutions for your infrastructure project. From early staging concepts through construction delivery, we provide the expertise you need to work safely and efficiently in live traffic environments.