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Key Responsibilities and Required Skills for a Junction Analyst

💰 $85,000 - $125,000

EngineeringTransportationData AnalysisUrban PlanningCivil Engineering

🎯 Role Definition

We are actively seeking a highly motivated and analytical Junction Analyst to join our dynamic transportation team. In this pivotal role, you will be at the forefront of shaping urban mobility by focusing on the critical nodes of our transport network: road junctions and intersections. You will leverage sophisticated traffic modeling software and data analysis techniques to assess performance, identify safety issues, and design innovative solutions. The ideal candidate is a problem-solver who can translate complex traffic data into actionable recommendations that improve traffic flow, reduce congestion, and enhance safety for all road users. This position offers a unique opportunity to make a tangible impact on community infrastructure and daily travel experiences.

📈 Career Progression

Typical Career Path

Entry Point From:

  • Graduate Transportation Engineer
  • Traffic Data Technician
  • GIS Analyst (with a focus on transportation networks)

Advancement To:

  • Senior Junction Analyst / Senior Traffic Engineer
  • Transportation Planning Manager
  • Traffic Modeling Specialist / Lead Modeler

Lateral Moves:

  • Transportation Planner
  • Smart Mobility Consultant
  • Data Scientist (Transportation & Logistics)

Core Responsibilities

Primary Functions

  • Conduct detailed traffic impact assessments and studies for new developments, road schemes, and infrastructure changes to predict their effect on the local and wider road network.
  • Develop, calibrate, and validate microscopic and macroscopic traffic models using software such as Vissim, Aimsun, Synchro, or SIDRA to simulate junction and network performance.
  • Analyze operational characteristics of isolated and coordinated traffic signal systems, including capacity analysis, delay studies, and queue length assessments.
  • Design and optimize traffic signal timings and phasing plans to improve traffic flow, minimize delays, and enhance pedestrian and cyclist safety.
  • Undertake comprehensive road safety audits at existing and proposed junctions, identifying potential hazards and recommending mitigation measures based on crash data and site observations.
  • Prepare detailed technical reports, memos, and presentations that clearly communicate complex analysis findings, design concepts, and recommendations to clients, stakeholders, and government agencies.
  • Utilize GIS software (like ArcGIS or QGIS) to visualize, manage, and analyze spatial data related to traffic volumes, collision hotspots, and network infrastructure.
  • Collect and process large datasets from various sources, including automatic traffic counters (ATCs), video surveys, GPS probe data, and loop detectors.
  • Evaluate the effectiveness of different junction designs, such as roundabouts, signalized intersections, and grade-separated interchanges, based on performance metrics.
  • Perform junction capacity analysis in accordance with established methodologies like the Highway Capacity Manual (HCM) to determine Level of Service (LOS).
  • Model and assess the impact of public transport priority schemes, cycle lanes, and pedestrian facilities on junction operation.
  • Liaise directly with clients, local authorities, and project managers to understand project requirements, provide expert advice, and ensure deliverables meet expectations.
  • Conduct site visits to observe traffic behavior, verify model inputs, and assess the real-world performance of junction improvements.
  • Stay current with emerging technologies, industry best practices, and innovative analytical techniques in traffic engineering and junction analysis.
  • Review and interpret transportation policies and design standards to ensure all proposed schemes are compliant with local and national regulations.

Secondary Functions

  • Support ad-hoc data requests and exploratory data analysis to answer specific questions from project teams or clients.
  • Contribute to the organization's data strategy and roadmap by identifying new data sources and analytical tools.
  • Collaborate with business units, including urban planners and civil engineers, to translate data needs into engineering requirements and integrated design solutions.
  • Participate in sprint planning and agile ceremonies within the data and engineering teams to ensure timely project delivery.
  • Mentor junior analysts and technicians, providing guidance on modeling techniques and analytical methods.
  • Assist in the preparation of project proposals, bids, and scope of work documents by providing technical input on the required level of analysis.
  • Develop automation scripts (e.g., using Python) to streamline data processing, model runs, and results extraction.

Required Skills & Competencies

Hard Skills (Technical)

  • Traffic Modeling Software: High proficiency in at least one of the following: Vissim, Aimsun, Synchro/SimTraffic, SIDRA Intersection, or Linsig.
  • Data Analysis: Strong ability to analyze and interpret large datasets, with experience using tools like Excel (advanced functions), SQL, Python (with Pandas/GeoPandas), or R.
  • GIS Software: Competency in using GIS platforms such as ArcGIS Pro, ArcMap, or QGIS for spatial analysis and data visualization.
  • CAD Software: Familiarity with AutoCAD or MicroStation for reviewing and interpreting engineering drawings and junction layouts.
  • Technical Knowledge: Solid understanding of traffic engineering principles, Highway Capacity Manual (HCM) methodologies, and traffic signal design and operation.
  • Reporting: Excellent ability to write clear and concise technical reports, feasibility studies, and traffic impact assessments.

Soft Skills

  • Problem-Solving: A methodical and analytical approach to identifying problems, evaluating options, and developing effective, data-driven solutions.
  • Communication: Exceptional verbal and written communication skills, with the ability to explain complex technical concepts to non-technical audiences.
  • Attention to Detail: Meticulous in data handling, model building, and report preparation to ensure accuracy and quality.
  • Collaboration: Proven ability to work effectively within multidisciplinary teams, including engineers, planners, and project managers.
  • Project Management: Strong organizational skills with the ability to manage time, prioritize tasks, and meet project deadlines.

Education & Experience

Educational Background

Minimum Education:

  • A Bachelor's degree in Civil Engineering, Transportation Engineering, Urban Planning, or a closely related quantitative field.

Preferred Education:

  • A Master's degree (MSc or MEng) with a specialization in Transportation Engineering, Traffic Engineering, or Transportation Planning.
  • Professional Engineer (PE) license or working towards licensure.

Relevant Fields of Study:

  • Civil Engineering
  • Transportation Planning & Engineering
  • Statistics or Data Science
  • Geography or Urban Studies

Experience Requirements

Typical Experience Range: 2-7 years of direct experience in traffic analysis, traffic modeling, or transportation engineering.

Preferred:

  • Demonstrable project experience involving junction analysis, traffic signal design, and microscopic simulation.
  • Experience working within a consulting environment or for a public transportation agency.
  • A portfolio of projects showcasing successful application of traffic modeling software to solve real-world transportation challenges.
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