Guidelines for Traffic Forecast on Highways (First Revision) 2014 Edition
IRC 108:2014 delivers detailed instructions for predicting traffic volumes on Indian highways, encompassing techniques for examining base year traffic data, calculating growth rates, and projecting normal, developmental, and induced traffic for future planning periods. This standard is vital for professionals engaged in highway infrastructure design, evaluation, and planning to ensure capacity adequacy and economic efficiency based on accurate traffic demand projections.
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2014Edition
Roads and Bridges IRC- Indian road congress Category
IRC 108:2014 delivers detailed instructions for predicting traffic volumes on Indian highways, encompassing techniques for examining base year traffic data, calculating growth rates, and projecting normal, developmental, and induced traffic for future planning periods. This standard is vital for professionals engaged in highway infrastructure design, evaluation, and planning to ensure capacity adequacy and economic efficiency based on accurate traffic demand projections.
Audience
Who Uses This Standard
Transportation Engineers
Traffic Planning Professionals
Highway Infrastructure Managers
Civil Engineers focused on Roadway Design
Public Road Authorities
Transportation Engineering Consultants
Urban and Regional Development Planners
Contents
Key Topics Covered
✓Analysis of Base Year Traffic Data
✓Primary and Secondary Traffic Survey Identification
✓Calculation of Traffic Growth Rates
✓Forecasting Normal, Developmental, and Induced Traffic
✓Utilization of Passenger Car Unit (PCU) Metrics
✓Effects of Toll Collection on Traffic Patterns
✓Updating Transport Networks for Horizon Years
✓Traffic Demand Sensitivity and Economic Metrics
✓Temporal and Seasonal Traffic Volume Fluctuations
✓Assessment of Traffic Diversion Using Logit Modelling
✓Design Hourly Traffic Volume and Capacity Planning
✓Forecasting Methods for Urban and Rural Scenarios
Structure
Table of Contents
1Scope and Applicability
2Fundamental Concepts and Forecasting Framework
3Selection and Location of Primary Traffic Surveys
4Evaluation of Base Year Traffic Characteristics
5Derivation of Growth Rates for Standard Traffic
6Projection of Normal Traffic Volumes
7Forecasting Developmental Traffic
8Prediction of Generated Traffic
9Transport Network Configuration for Future Years
10Influence of Tolling on Traffic Demand
11Practical Applications and Illustrative Case Studies
12Glossary of Terms and Abbreviations
13Bibliography and Data Reference Sources
14Committee Members and Contributors
15Annexes and Sample Templates
Frequently Asked
Popular Questions About IRC 108
?Which traffic survey types are advised to determine base year traffic volumes?▼
Detailed answer not available.
?What methods are used to estimate and verify growth factors for normal traffic?▼
Detailed answer not available.
?How does the code consider the effect of tolls on traffic volume projections?▼
Detailed answer not available.
?Which approaches does the standard recommend for forecasting developmental and generated traffic?▼
Detailed answer not available.
?How is vehicle category composition incorporated into traffic forecasting models?▼
Detailed answer not available.
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