Course Modules

Module 1: Introduction to Highway Engineering

• Road classification and functional hierarchy

• Highway design elements: alignment, cross-section, and safety features

• Traffic volume and loading considerations

• Overview of pavement distress mechanisms

• Emerging trends in sustainable road design

Module 2: Pavement Materials and Structural Behavior

• Types of pavements: flexible, rigid, and composite

• Engineering properties of soils, aggregates, asphalt, and concrete

• Material testing methods (CBR, modulus, gradation, etc.)

• Pavement layer functions and stress distribution

• Durability and environmental factors

Module 3: Pavement Design Standards and Techniques

• Design methods: AASHTO, Austroads, and local codes

• Structural design of flexible and rigid pavements

• Load equivalency, design traffic, and safety margins

• Manual design calculation exercises

• Geotechnical considerations in pavement design

Module 4: Introduction to HDM-4 Software

• What is HDM-4 and why use it?

• HDM-4 structure: data, models, and outputs

• HDM-4 installation and interface navigation

• Data requirements for analysis

• Configuring a basic project

Module 5: Pavement Deterioration and Performance Modelling

• Key distress types: cracking, rutting, roughness, deflection

• HDM-4 deterioration models and calibration principles

• Climate and traffic impacts on road condition

• Setting up pavement sections and maintenance triggers

• Exercise: Predict pavement performance over time

Module 6: Maintenance and Rehabilitation Strategies

• Maintenance categories: routine, periodic, and rehabilitation

• Defining intervention standards and thresholds

• Life-cycle costing and scheduling

• Comparison of alternate strategies using HDM-4

• Practical: Create and evaluate multiple M&R strategies

Module 7: Economic Evaluation and Budget Analysis

• NPV, IRR, BCR and payback period for road projects

• Road user cost components: VOC, time, accident cost

• Investment prioritization under limited budget

• Financial vs economic appraisal in HDM-4

• Hands-on: Cost-benefit analysis for selected road segments

Module 8: Network-Level Planning and Programming

• Overview of network analysis in HDM-4

• Resource allocation and optimization under constraints

• Developing a multi-year investment plan

• Project ranking and sensitivity analysis

• Exercise: Simulate network-level road management scenario

Module 9: Case Studies and Regional Applications

• Real-world HDM-4 applications in Africa and globally

• Lessons learned in pavement and road project evaluations

• Comparison with other planning tools (e.g., RAMS, PMS)

• National case study: Successes and challenges in HDM-4 use

• Group Discussion: Common mistakes and how to avoid them

Module 10: Capstone Project and Wrap-Up

• Capstone Group Project: Use HDM-4 to model and evaluate a proposed highway project

  • Define problem statement and objectives

  • Set up and calibrate models

  • Analyze alternatives and generate recommendations

  • Group presentations and peer feedback

• Final course review and open Q&A

• Award of Certificates of Completion