Course

Unit 1

Introduction – Objectives and scope of traffic engineering – Components of road traffic: vehicle, driver and road. Road user and vehicle characteristics and their effect on road traffic. Traffic manoeuvre. Traffic Surveys – Objectives, methods, equipment’s used for data collection, analysis and interpretation. Traffic Forecast: General travel forecasting principles, different methods of traffic forecast, Softwares for statistical analysis

Unit 2

Concept of Design vehicle units and determination of PCU under mixed traffic conditions. Traffic Stream Characteristics – Relationship between Speed, Flow and Density. Determination of design hourly volume. Highway Capacity: Factors affecting capacity, level of service; Capacity studies – Capacity of different highway facilities including unsignalised and signalised intersections

Unit 3

Accident Analysis – Analysis of individual accidents and statistical data, Methods of representing accident rate. Factors in traffic accidents – influence of roadway and traffic conditions on traffic safety.

Shock waves, Queuing theory and applications. Probabilistic Aspects of Traffic Flow -Vehicle arrivals, distribution models, gaps and headway distribution models; gap acceptance merging parameters, delay models.

Prerequisite(s): 19CIE214 Transportation Engineering I

Course Objectives

1. The components of a traffic stream
2. Data collection through traffic surveys
3. The fundamental relationships of traffic flow
4. Capacity estimation of different types of intersections
5. The contributory factors and analyses of accidents
6. The traffic flow at a microscopic level

Course Outcome

CO1: Understand the road traffic components and their characteristics in traffic engineering

CO2: Conduct different types of traffic engineering studies and perform basic statistical analysis of traffic data

CO3: Use speed-flow relationships and analyse the capacity of different kinds of intersections

CO4: Understand elements of road safety and approaches to accident studies

CO5: Use different distribution models and analyse traffic flow characteristics

CO-PO Mapping