Microcredit

Introduction to Traffic Impact Analysis and Studies 

• What is a TIA
• Who uses TIA's
• Typical TIA Policies
• Qualifications to Prepare a TIA
• Development Types
• Purpose of Traffic Impact Analysis
• Need for Traffic Impact Analysis
• Sustainable Transport Objectives
• Policy Context
• Methodology Meeting Standards HCM, AASHTO, ITE Trip Generation Handbook, MUTCD

Data Collection Program Development 

• Types of Equipment used in Data Collection
• Assembly of Existing Available Traffic Volume Data
• Collection of site-specific count data 
• Counts and Background Traffic 

Data Collection Program Development (continued) 

• Selection of Peak hour(s) for existing/proposed facilities 
• Traffic Data Calculation Methodology: Peak Hour Computation, Percentage of Heavy Vehicles etc. 

Fundamental Principles in TIA Preparation 

• Site Traffic
• Discussion of Trips
• Trip Generation
• Trip Distribution
• Traffic Diagrams 

Results and Details  

• Identify Key Locations and Scenarios
• Analysis of Existing Conditions
• Physical Characteristics and Data Collection
• Traffic Volumes
• Capacity / Level-of-Service 
• Proposed Improvements
• Other Considerations (Horizon Year, Turn Lane Warrant, Signal Warrant, Sight Distance, etc.) 

Safety Analysis 

• Crash History and Data Collection
• Data Analysis
• Conflict Analysis
• Intersection Sight Distance
• Signal Warrants
• Horizontal and Vertical Geometry
• Truck Movements 

Overall Traffic Impact Assessment Process 

• Conduct a TIS for a proposed office development 

• Course Review